< Home


BOOKS:

R.B. Bird, R.C. Armstrong, and O. Hassager, Dynamics of Polymeric Liquids, Vol.1: Fluid Mechanics, Wiley, New York (1977).

R.B. Bird, O. Hassager, R.C. Armstrong, and C.F. Curtiss, Dynamics of Polymeric Liquids, Vol.2: Kinetic Theory, Wiley, New York (1977).

R.B. Bird, R.C. Armstrong, and O. Hassager, Dynamics of Polymeric Liquids, Vol. 1: Fluid Mechanics, Wiley, New York (1987), Second Edition.

R.B. Bird, C.F. Curtiss, R.C. Armstrong, and O. Hassager, Dynamics of Polymeric Liquids, Vol.2: Kinetic Theory, Wiley, New York (1987), Second Edition.



ARTICLES:


2007

  • M.J. Green, R.A. Brown, and R.C. Armstrong, "Initial stage of spinodal decomposition in a rigid-rod system," J. Chem. Phys., 126, 034903 (2007).


2006

  • M.J. Green, R.C. Armstrong, and R.A. Brown, "Computation of the nonhomogeneous equilibrium states of a rigid-rod solution," J. Chem. Phys., 125, 214906 (2006).

  • A. Gopinath, R.C. Armstrong, and R.A. Brown, "Second order sharp-interface and thin-interface asymptotic analyses and error minimization for phase-field descriptions of two-sided dilute binary alloy solidification," J. of Crystal Growth, 291 (1), 272-289 (2006).

  • A. Gopinath, L. Mahadevan, and R.C. Armstrong, "Transitions to nematic states in homogeneous suspensions of high aspect ratio magnetic rods," Phys. of Fluids, 18 (2), Art. No. 028102 (2006).


2005

  • M. Hütter, G.C. Rutledge, and R.C. Armstrong, "Crystal shapes and crystallization in continuum modeling," Phys. of Fluids, 17 (1), Art. No. 014107 (2005).


2004

  • M. Hütter, G.C. Rutledge, and R.C. Armstrong,"Anisotropic crystal growth in continuum modeling," ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 228, U430-U430 105-PMSE Part 2 (2004).

  • A. Gopinath, R.C. Armstrong, and R.A. Brown, "Observations on the eigenspectrum of the linearized Doi equation with application to numerical simulations of liquid crystals," J. Chem. Phys., 121 (12), 6093-6094 (2004).

  • N.C. Shapley, R.A. Brown, and R.C. Armstrong, "Evaluation of particle migration models based on laser Doppler velocimetry measurements in concentrated suspensions," J. Rheol., 48 (2), 255-279 (2004).


2003

  • M.D. Smith, Y.L. Joo, R.C. Armstrong, and R.A. Brown, "Linear stability analysis of flow of an Oldroyd-B fluid through a closely-spaced linear array of cylinders," J. Non-Newtonian Fluid Mech., 109 (1), 13-50 (2003).

  • J.K.C. Suen, R. Nayak, R.C. Armstrong, and R.A. Brown, "A wavelet-Galerkin method for simulating the Doi model with orientation-dependent rotational diffusivity," J. Non-Newtonian Fluid Mech., 114 (2-3), 197-228 (2003).

  • L.H. Genieser, R.C. Armstrong, and R.A. Brown, "Comparison of measured centerline stress and velocity fields with predictions of viscoelastic constitutive models," J. Rheol., 47 (6), 1331-1350 (2003).


2002

  • F.L. Colhoun, R.C. Armstrong, and G.C. Rutledge, "Chemical shift tensors for the aromatic carbons of polystyrene," Polymer, 43 (2), 609-614 (2002).

  • Y.L. Joo, J. Sun, M.D. Smith, R.C. Armstrong, R.A. Brown, and R.A. Ross, "Two- dimensional numerical analysis of nonisothermal melt spinning with and without phase transition," J. Non-Newtonian Fluid Mech., 102 (1), 37-70 (2002).

  • I. Ghosh, Y. L. Joo, G.H. McKinley, R.A. Brown, and R.C. Armstrong, "A new model for dilute polymer solutions in flows with strong extensional components," J. Rheol., 46 (5), 1057-1089 (2002).

  • N.C. Shapley, R.C. Armstrong, and R.A. Brown, "Laser Doppler velocimetry measurements of particle velocity fluctuations in a concentrated suspension," J. Rheol., 46 (1), 241-272 (2002).

  • F.L. Colhoun, R.C. Armstrong, and G.C. Rutledge, "Analysis of experimental data for polystyrene orientation during stress relaxation using semsigrand canonical Monte Carlo simulation," Macromolecules, 35 (15), 6032-6042 (2002).


2001

  • M.D. Smith, R.C. Armstrong, and R.A. Brown, "The influence of die length on nonisothermal viscoelastic extrudate swell," J Non-Newtonian Fluid Mech., submitted (2001).

  • I. Ghosh, G.H. McKinley, R.A. Brown, and R.C. Armstrong, "Deficiencies of FENE dumbbell models in describing the rapid stretching of dilute polymer solutions", J. Rheol., 45 (3), 721-758 (2001).

  • F.L. Colhoun, R.C. Armstrong, and G.C. Rutledge, "Orientation relaxation in sheared polystyrene melts measured by 13C SMAS-DECODER NMR," Macromolecules, 34 (19), 6670-6679 (2001).

  • A.E. Caola, Y.L. Joo, R.C. Armstrong, and R.A. Brown, "Highly parallel time integration of viscoelastic flows," J. Non-Newtonian Fluid Mech., 100 (1-3), 191-216 (2001).


2000

  • M. D. Smith, R. C. Armstrong, R. A. Brown, and R. Sureshkumar, "Finite element analysis of stability of two-dimensional viscoelastic flows to three-dimensional perturbations", J. Non-Newtonian Fluid Mech., 93 (2-3), 203-245 (2000).

  • J.K.C. Suen, R.C. Armstrong, and R.A. Brown, in Proceedings of the XIIIth International Congress on Rheology (D.M. Binding, N.E. Hudson, J. Mewis, J.-M. Piau, C.J.S. Petrie, P. Townsend, M.H. Wagner, and K. Walters, eds), Cambridge, UK, "Kinetic theory for liquid crystalline polymers: Spinodal decomposition and implications for complex flow simulations" (2000), pp. 67-69.

  • I. Ghosh, G.H. McKinley, R.A. Brown, and R.C. Armstrong, in Proceedings of the XIIIth International Congress on Rheology (D.M. Binding, N.E. Hudson, J. Mewis, J.-M. Piau, C.J.S. Petrie, P. Townsend, M.H. Wagner, and K. Walters, eds), Cambridge, UK, "An adaptive length scale model for dilute polymer solutions" (2000), pp. 67-69.

  • M.D. Smith, Y.L. Joo, R.C. Armstrong, and R.A. Brown, in Proceedings of the XIIIth International Congress on Rheology (D.M. Binding, N.E. Hudson, J. Mewis, J.-M. Piau, C.J.S. Petrie, P. Townsend, M.H. Wagner, and K. Walters, eds), Cambridge, UK, "Linear stability analysis of flow of an Oldroyd-B fluid through a closely spaced linear array of cylinders" (2000), pp. 67-69.

  • F. L. Colhoun, R. C. Armstrong, and G. C. Rutledge, "Characterization of orientation relaxation in polymer melts," Proceedings of the American Chemical Society, Division of Polymeric Materials: Science and Engineering, San Francisco, CA, March 26-30, pp. 136-137 (2000).


1999

  • R. Sureshkumar, M.D. Smith, R.A. Brown, and R.C. Armstrong, "Linear Stability and Dynamics of Viscoelastic Flows using Time-Dependent Numerical Simulations," J. Non-Newtonian Fluid Mech., 82 (1), 57-104 (1999).

  • J. Sun, M.D. Smith, R.C. Armstrong, and R.A. Brown, "Finite Element Method for Viscoelastic Flows Based on the Discrete Adaptive Viscoelastic Stress Splitting and the Discontinuous Galerkin method: DAVSS-G/DG," J. Non-Newtonian Fluid Mech., 86 (3), 281-307 (1999).


1998

  • A.W. Liu, D.E. Bornside, R.C. Armstrong, and R.A. Brown, "Viscoelastic flow of polymer solutions around a periodic, linear array of cylinders: comparisons of predictions for microstructure and flow fields," J. Non-Newtonian Fluid Mech., 77 (3), 153-190 (1998).


1997

  • T.R. Salamon, D.E. Bornside, R.C. Armstrong, and R.A. Brown, "Local Similarity Solutions for the Stress Field of an Oldroyd-B Fluid in the Partial-Slip/Slip Flow", Phys. Fluids, 9 (8), 2191-2209 (1997).

  • T.R. Salamon, D.E. Bornside, R.C. Armstrong, and R.A. Brown, "Local similarity solutions in the presence of a slip boundary condition", Phys. Fluids, 9 (5), 1235-1247 (1997).


1996

  • A.D. Sagar, M.A. Villar, E.L. Thomas, R.C. Armstrong, and E.W. Merrill, "Irradiation- Modification of Starch-Containing Thermoplastic Blends: 1. Modification of Properties and Microstructure", J. Appl. Polym. Sci., 61 (1), 139-155 (1996).

  • A.D. Sagar, M.A. Villar, E.L. Thomas, R.C. Armstrong, and E.W. Merrill, "Irradiation- Modification of Starch-Containing Thermoplastic Blends: 2. Rheological Studies", J. Appl. Polym. Sci., 61 (1), 157-162 (1996).

  • R.C. Armstrong, R. Nayak, and R.A. Brown, in Proceedings of the XIIth International Congress on Rheology (A. Ait-Kadi, J.M. Dealy, D.F. James, and M.C. Williams, eds), Québec City, Canada, "Use of Kinetic Theory and Microstructural Models in the Analysis of Complex Flows of Viscoelastic Liquids" (1996), pp. 307-310.

  • H. Wang, R.C. Armstrong, and R.A. Brown, in Proceedings of the XIIth International Congress on Rheology (A. Ait-Kadi, J.M. Dealy, D.F. James, and M.C. Williams, eds), Québec City, Canada, "A finite-element model to predict structure development in extrusion of liquid-crystalline polymers" (1996), pp. 167-168.

  • A.W. Liu, R.C. Armstrong, and R.A. Brown, in Proceedings of the XIIth International Congress on Rheology (A. Ait-Kadi, J.M. Dealy, D.F. James, and M.C. Williams, eds), Québec City, Canada, "Experimental Investigation of Viscoelastic Flow around a Periodic Array of Cylinders" (1996), pp. 383-384.


1995

  • M.A. Villar, E.L. Thomas, and R.C. Armstrong, "Rheological Properties of Starch and Starch/poly(ethylene-co-vinyl alcohol) Blends", Polymer, 36 (9), 1869-1876 (1995).

  • J.A. Byars, R.C. Armstrong, R.A. Brown, and G.H. McKinley, "Viscoelastically-driven instabilities in polymer processing", ANTEC Proceedings, Boston (1995).

  • R.C. Armstrong, S. Ramalingam, and D.E. Bornside, "A Finite-Element Model to Predict Structure Development in Spinneret Flow of Liquid-Crystalline Polymers", ANTEC Proceedings, Boston (1995).

  • M.J. Szady, T.R. Salamon, A.W. Liu, D.E. Bornside, R.C. Armstrong, and R.A. Brown, "A New Mixed Finite Element Method for Viscoelastic Flows Governed by Differential Constitutive Equations", J. Non-Newtonian Fluid Mech., 59 (2-3), 215-243 (1995).

  • T.R. Salamon, D.E. Bornside, R.C. Armstrong, and R.A. Brown, "The Role of Surface Tension in the Dominant Balance in the Die Swell Singularity", Phys. Fluids A, 7 (10), 2328-2344 (1995).

  • L.M. Quinzani, R.C. Armstrong, and R.A. Brown, "Use of Coupled Birefringence and LDV Studies of Flow through a Planar Contraction for Evaluation of Constitutive Equations for Concentrated Polymer Solutions", J. Rheol., 39 (6), 1201-1228 (1995).


1994

  • L.M. Quinzani, R.C. Armstrong, and R.A. Brown, "Birefringence and laser Doppler velocimetry (LDV) Studies of Viscoelastic Flow Through a Planar Contraction", J. Non-Newtonian Fluid Mech., 52 (1), 1-36 (1994).

  • T.R. Salamon, R.C. Armstrong, and R.A. Brown, "Traveling Waves on Vertical Films: Numerical Analysis Using the Finite Element Method", Phys. Fluids A, 6 (6), 2202-2220 (1994).


1993

  • A.V. Bhave, R.K. Menon, R.C. Armstrong, and R.A. Brown, "A Constitutive Equation for Liquid Crystalline Polymer Solutions", J. Rheol., 37 (3), 413-442 (1993).

  • W.J. Lunsmann, L. Genieser, R.C. Armstrong, and R.A. Brown, "Finite Element Analysis of Steady Viscoelastic Flow around a Sphere in a Tube: Calculations with Constant Viscosity Models", J. Non-Newtonian Fluid Mech., 48 (1-2), 63-99 (1993).

  • D. Rajagopalan, R.C. Armstrong, and R.A. Brown, "Comparison of Computational Efficiency of Flow Simulations with Multimode Constitutive Equations: Integral and Differential Models", J. Non-Newtonian Fluid Mech., 46 (2-3), 243-273 (1993).

  • G.H. McKinley, R.A. Brown, and R.C. Armstrong, "The Wake Instability in Viscoelastic Flow Past Confined Circular Cylinders", Phil. Trans. Roy. Soc. A, 344 (1671), 265-304 (1993).

  • S. Ramalingam and R.C. Armstrong, "Fiber Spinning Liquid Crystalline Polymer Solutions", J. Rheol., 37 (6), 1141-1169 (1993).

  • R.A. Brown, M.J. Szady, P.J. Northey, and R.C. Armstrong, "On the Numerical Stability of Mixed Finite-Element Methods for Viscoelastic Flows Governed by Differential Constitutive Equations", Theoret. and Comput. Fluid Dynamics, 5, 77-106 (1993).


1992

  • R.J. Phillips, R.C. Armstrong, R.A. Brown, A.N. Graham, J.A. Abbott, "A Constitutive Equation that Accounts for Particle Migration in Concentration Suspensions", Phys. Fluids, A4 (1), 30-40 (1992).

  • P.J. Northey, R.C. Armstrong, and R.A. Brown, "Finite Amplitude Time-Periodic States in Viscoelastic Taylor-Couette Flow Described by the UCM Model", J. Non-Newtonian Fluid Mech., 42 (1-2), 117-139 (1992).

  • P.J. Coates, R.C. Armstrong, and R.A. Brown, "Calculation of Steady Viscoelastic Flow Through Axisymmetric Contractions Using the EEME Formulation", J. Non-Newtonian Fluid Mech., 42 (1-2), 141-188 (1992).

  • R.K. Menon, A.V. Bhave, R.A. Brown, and R.C. Armstrong, "Kinetic Theory and Rheology of Liquid Crystalline Polymers", Polymer Preprints, 00, 000-000 (1992).

  • D. Rajagopalan, J.A. Byars, R.C. Armstrong, R.A. Brown, J.S. Lee, and G.G. Fuller, "Comparison of Numerical Simulations and Birefringence Measurements in Viscoelastic Flow Between Eccentric Rotating Cylinders", J. Rheol., 36 (7), 1349-1375 (1992).

  • D. Rajagopalan, R.J. Phillips, R.C. Armstrong, R.A. Brown, and A. Bose, "The Influence of Viscoelasticity on the Existence of Steady Solutions in 2-dimensional Rimming Flow", J. Fluid Mech., 235, 611-642 (1992).

  • R.C. Armstrong, R.A. Brown, L.M. Quinzani, G.H. McKinley, and J.A. Byars, in Theoretical and Applied Rheology , Vol 1. (P. Moldenaers and R. Keunings, eds), Proceedings of the XIth International Congress on Rheology, Brussels, Belgium, "Measurement of Velocity and Stress Fields In Complex Polymer Flows", Elsevier, Amsterdam (1992), pp. 27-32.

  • G.H. McKinley, R.C. Armstrong, and R.A. Brown, in Theoretical and Applied Rheology, Vol 1. (P. Moldenaers and R. Keunings, eds), Proceedings of the XIth International Congress on Rheology, Brussels, Belgium, "A Viscoelastic Flow Instability in the Wake of a Confined Circular Cylinder", Elsevier, Amsterdam (1992), pp. 198-200.

  • T.R. Salamon, R.C. Armstrong, and R.A. Brown, in Theoretical and Applied Rheology , Vol 1. (P. Moldenaers and R. Keunings, eds), Proceedings of the XIth International Congress on Rheology, Brussels, Belgium, "Modification of Inertial Film Instability by Viscoelasticity", Elsevier, Amsterdam (1992), pp. 213-215.


1991

  • G.H. McKinley, W.P. Raiford, R.A. Brown, and R.C. Armstrong, "Nonlinear Dynamics of Viscoelastic Flow in Axisymmetric Abrupt Contractions", J. Fluid Mech., 223, 411-456 (1991).

  • D. Rajagopalan, R.J. Phillips, A. Bose, R.C. Armstrong, and R.A. Brown, "Analysis of Rimming Flow of Newtonian and Viscoelastic Fluids", J. Fluid Mech., 000, 000-000 (1991).

  • G.H. McKinley, J.A. Byars, R.A. Brown, and R.C. Armstrong, "Observations on The Elastic Instability in Cone-and-Plate and Parallel-Plate Flows of a Polyisobutylene Boger Fluid", J. Non-Newtonian Fluid Mech., 40 (2), 201-229 (1991).

  • A. Bhave, R.C. Armstrong, and R.A. Brown, "Kinetic Theory and Rheology of Dilute, Non-homogeneous Polymer Solutions", J. Chem. Phys., 95 (4), 2988-3000 (1991).

  • R.A. Brown, P.J. Northey, W.J. Lunsmann, P.J. Coates, and R.C. Armstrong, "Applications of Finite Element Methods for Calculation of Viscoelastic Flows Using Differential Constitutive Models", Proceedings of ASME Winter Meeting (1991).


1990

  • O. Hassager, R.C. Armstrong, and R.B. Bird, "Limitation on the Use of the Retarded Motion Expansion", J. Non-Newtonian Fluid Mech., 34 (2), 241-245 (1990).

  • P.J. Northey, R.C. Armstrong, and R.A. Brown, "Finite-Element Calculation of Time- Dependent, Two-Dimensional Viscoelastic Flow With the EEME Formulation", J. Non-Newtonian Fluid Mech., 36, 109-133 (1990).

  • D. Rajagopalan, R.C. Armstrong, and R.A. Brown, "Calculation of Steady Viscoelastic Flow Using a Multimode Maxwell Model: Application of the Explicitly Elliptic Momentum Equation (EEME) Formulation", J. Non-Newtonian Fluid Mech., 36, 135-158 (1990).

  • D. Rajagopalan, R.C. Armstrong, and R.A. Brown, "Calculation of Steady Viscoelastic Flow for Models with Newtonian Viscosity: The Elastic Viscous Split Stress (EVSS) Formulation", J. Non-Newtonian Fluid Mech., 36, 159-193 (1990).

  • L.M. Quinzani, G.H. McKinley, R.A. Brown, and R.C. Armstrong, "Modeling the Rheology of Polyisobutylene Solutions", J. Rheol., 34 (5), 705-748 (1990).


1989

  • W.P. Raiford, L.M Quinzani, P.J. Coates, R.C. Armstrong, and R.A. Brown, "LDV Measurements of Viscoelastic Flow Transitions in Abrupt Axisymmetric Contractions: Interactions of Inertia and Elasticity", J. Non-Newtonian Fluid Mech., 32 (1), 39-68 (1989).

  • S.A. Khan and R.C. Armstrong, "Rheology of Foams: IV. Effect of Gas Volume Fraction", J.Rheol., 33 (6), 881-911 (1989).

  • S.R. Burdette, P.J. Coates, R.C. Armstrong, and R.A. Brown, "Calculations of Viscoelastic Flow Through an Axisymmetric Corrugated Tube Using the Explicitly Elliptic Momentum Equation Formulation (EEME)", J. Non-Newtonian Fluid Mech., 33 (1), 1-24 (1989).


1988

  • S.A. Khan, C.A. Schnepper, and R.C. Armstrong, "Foam Rheology: III. Measurement of Shear Flow Properties", J. Rheol., 32 (1), 69-92 (1988).

  • M.R. Apelian, R.C. Armstrong, and R.A. Brown, "Impact of the Constitutive Equation and Singularity on the Calculation of Stick-Slip Flow: The Modified Upper-Convected Maxwell Model (MUCM)", J. Non-Newtonian Fluid Mech., 27 (3), 299-322 (1988).

  • R.C. King, M.R. Apelian, R.C. Armstrong, and R.A. Brown, "Numerically Stable Finite Element Techniques for Viscoelastic Calculations in Smooth and Singular Geometries", J. Non-Newtonian Fluid Mech., 29 (1-3), 147-216 (1988).

  • W.P. Raiford, L.M. Quinzani, R.A. Brown, and R.C. Armstrong, "Laser Doppler and Birefringence Measurements in Entry Flows of Viscoelastic Fluids", Proceedings of the Xth International Congress on Rheology, Australian Society of Rheology, Sydney, (1988), Vol. 2, pp. 190-192.

  • R.A. Brown, R.C. King, M.R. Apelian, and R.C. Armstrong, "Numerically Stable Finite- Element Methods for Smooth and Singular Steady-State Viscoelastic Flows", Proceedings of the Xth International Congress on Rheology, Australian Society of Rheology, Sydney, (1988), Vol. 1, pp. 210-212.


1987

  • A.N. Beris, R.C. Armstrong, and R.A. Brown, "Spectral/Finite-Element Calculations of the Flow of a Maxwell Fluid Between Eccentric Rotating Cylinders", J. Non-Newtonian Fluid Mech., 22 (2), 129-167 (1987).

  • S.A. Khan and R.C. Armstrong, "Rheology of Foams: II. Effects of Polydispersity and Liquid Viscosity for Foams Having Gas Fraction Approaching Unity", J. Non-Newtonian Fluid Mech., 25 (1), 61-92 (1987).

  • A.D. Shine and R.C. Armstrong, "The Rotation of a Suspended Axisymmetric Ellipsoid in a Magnetic Field", Rheol. Acta, 26 (2), 152-161 (1987).

  • A.D. Shine and R.C. Armstrong, "Experimental Studies of Suspended Ferromagnetic Fibers in a Magnetic Field", Rheol. Acta, 26 (2), 162-171 (1987).

  • R.K. Menon, M.E. Kim-E, R.C. Armstrong, R.A. Brown, and J.F. Brady, "Injection and Suction of an Upper Convected Maxwell Fluid through a Porous Walled Tube", J. Non-Newtonian Fluid Mech., 27 (3), 265-298 (1987).


1986

  • S.A. Khan and R.C. Armstrong, "Rheology of Foams: I. Theory for Dry Foams", J. Non-Newtonian Fluid Mech., 22 (1), 1-22 (1986).

  • R.A. Brown, R.C. Armstrong, A.N. Beris, and P.-W. Yeh, "Galerkin Finite Element Analysis of Complex Viscoelastic Flows", Computer Methods in Applied Mechanics and Engineering, 58 (2), 201-226 (1986).

  • J.V. Lawler, S.J. Muller, R.A. Brown, and R.C. Armstrong, "Laser Doppler Velocimetry Measurements of Velocity Fields and Transitions in Viscoelastic Fluid Flows", J. Non-Newtonian Fluid Mech., 20, 51-92 (1986).

  • R.C. Armstrong, "Kinetic Theory and Rheology of Concentrated Polymer Solutions and Melts", in Proceedings of 1986 DuPont Polymer Product Department TechCon -Technical Conference on Relaxation and Transport Properties of Polymers: Relationship to Structure, Scanticon - Princeton, Princeton, NJ, June 4-6, 1986.


1985

  • A.N. Beris, R.C. Armstrong, and R.A. Brown, "Finite Element Calculations of Viscoelastic Flow in a Journal Bearing. II. Moderate Eccentricities", J. Non-Newtonian Fluid Mech., 19 (3), 323-347 (1985).

  • A.N. Beris, J.A. Tsamopoulos, R.C. Armstrong, and R.A. Brown, "The Motion of Spheres Through a Bingham Plastic", J. Fluid Mech., 158, 219-244 (1985).

  • R.C. Armstrong, R.A. Brown, A.N. Beris, J.V. Lawler, and S.J. Muller, "Evaluation of Constitutive Equations: Material Functions and Complex Flows of Viscoelastic Fluids", in Proceedings of the Symposium on Viscoelasticity, MRC - University of Wisconsin, Madison, Academic Press (1985), pp. 361-389.

  • M. Bibbo, S.M. Dinh, and R.C. Armstrong, "Shear Flow Properties of Semi-Concentrated Fiber Suspensions", J. Rheol., 29, 905-929 (1985).


1984

  • S.M. Dinh and R.C. Armstrong, "A Rheological Equation of State for Semi-Concentrated Fiber Suspensions", J.Rheol., 28 (3), 207-228 (1984).

  • P.W. Yeh, M.E. Kim-E, R.C. Armstrong, and R.A. Brown, "Multiple Solutions in the Calculation of Axisymmetric Contraction Flow of an Upper-Convected Maxwell Fluid", J. Non-Newtonian Fluid Mech., 16 (1-2), 173-194 (1984).

  • A.N. Beris, R.C. Armstrong, and R.A. Brown, "Finite Element Calculation of Viscoelastic Flow in a Journal Bearing: I. Small Eccentricities", J. Non-Newtonian Fluid Mech., 16 (1-2), 141-172 (1984).

  • A.N. Beris, R.C. Armstrong, and R.A. Brown, "Finite Element Calculations of Viscoelastic Flow Between Eccentric Rotating Cylinders", Proceedings of the Third International Conference on Finite Elements, Austin, Texas, January, 1984.

  • R.C. Armstrong, R.A. Brown, and B. Caswell, Editorial, "Papers From the Third International Workshop on Numerical Simulation of Viscoelastic Flows", J. Non-Newtonian Fluid Mechanics, 16 (1-2), 1-2 1984.


1983

  • A.N. Beris, R.C. Armstrong, and R.A. Brown, "Perturbation Theory for Viscoelastic Fluids Between Eccentric Rotating Cylinders", J. Non-Newtonian Fluid Mech., 13 (2), 109-148 (1983).

  • M.E. Kim-E, R.A. Brown, and R.C. Armstrong, "The Roles of Inertia and Shear-Thinning in Flow of An Inelastic Liquid Through an Axisymmetric Sudden Contraction", J. Non-Newtonian Fluid Mech., 13, 346-363 (1983).

  • A.N. Beris, J.V. Lawler, S. Muller, R.A. Brown and R.C. Armstrong, "Lubrication Flows of Viscoelastic Fluids", Proceedings of the Second Conference on Energetic Materials, Chesapeake Bay, July 1983, Sponsored by ONR.


1982

  • S.M. Dinh and R.C. Armstrong, "Non-Isothermal Channel Flow of Non-Newtonian Fluids with Viscous Heating", AIChE J., 28 (2), 294-301 (1982).

  • A.S. Lodge, R.C. Armstrong, M.H. Wagner, and H.H. Winter, "Constitutive Equations from Gaussian Molecular Network Theories in Polymer Rheology", Pure and Appl. Chem., 54 (7), 1349-1359 (1982).

  • M.A. Mendelson, P.W. Yeh, R.A. Brown, and R.C. Armstrong, "Approximation Error in Finite Element Calculations of Viscoelastic Fluid Flow", J. Non-Newtonian Fluid Mech., 10 (1-2), 31-54 (1982).

  • M.D. Dalal and R.C. Armstrong, "Relationship Between Rheological Properties and Impact Strength in High Impact Polystyrene", Polym. Eng.Sci., 22 (11), 684-691 (1982).

  • M.E. Kim-E, R.A. Brown, and R.C. Armstrong, "Flow of Inelastic, Shear-Thinning Fluids Through an Axisymmetric Sudden Contraction", Proceedings of the 26th IUPAC Macromolecular Symposium (Amherst, MA), 776 (1982).


1981

  • K. Yasuda, R.C. Armstrong, and R.E. Cohen, "Shear Flow Properties of Concentrated Solutions of Linear and Star Branched Polystyrenes", Rheol. Acta, 20 (2), 163-178 (1981).

  • S.M. Dinh and R.C. Armstrong, "Rheology of Concentrated Fiber Suspensions", Proceedings of the 2nd World Congress of Chemical Engineering, Montreal, Vol.6, pp. 297-301 (1981).


1980

  • S. Ishikawa and R.C. Armstrong, "A Rheological Equation of State for Dilute Solutions of Nearly-Hookean Dumbbells", J.Rheol., 24 (2), 143-165 (1980).

  • R.C. Armstrong, S. Gupta, and O. Basaran, "Elongational Flow Behavior of Dilute Polymer Solutions", Poly. Eng. Sci., 20 (7), 466-472 (1980).


1978

  • T.W. Mix, J.S. Dweck, R.C. Armstrong, and M. Weinberg, "Energy Conservation in Distillation", Chem. Eng. Prog., 74 (4), 49-55 (1978).

  • R.C. Armstrong and O. Basaran, "Behavior of Isolated Macromolecules in Transient Elongational Flow", Polymer Preprints, 19(1), 384-389 (1978).


1976

  • R.B. Bird, R.C. Armstrong, C.F. Curtiss, and O. Hassager, "Molecular Interpretation of the Rheology of Macromolecular Solutions", in Proceedings of the Seventh International Congress of Rheology (1976).


1974

  • R.B. Bird, O. Hassager, and R.C. Armstrong, "Kinetic Theory and Rheology of Dilute Polymer Solutions", Rheol. Acta, 13 (4-5), 645-647 (1974).

  • R.C. Armstrong, "Kinetic Theory and Rheology of Dilute Solutions of Flexible Macromolecules. I: Steady State Behavior", J. Chem. Phys., 60, 724-727 (1974).

  • R.C. Armstrong, "Kinetic Theory and Rheology of Dilute Solutions of Flexible Macromolecules. II: Linear Viscoelasticity", J. Chem. Phys., 60, 728-738 (1974).


1973

  • R.C. Armstrong and R.B. Bird, "Stress Tensor for Arbitrary Flows of Dilute Solutions of Rodlike Macromolecules", J. Chem. Phys., 58 (7), 2715-2723 (1973).


1972

  • R.B. Bird and R.C. Armstrong, "Time-Dependent Flow of Dilute Solutions of Rodlike Macromolecules", J. Chem. Phys., 56, 3680-3682 (1972).



CHAPTERS IN BOOKS:

  • T.W. Mix, J.S. Dweck, M. Weinberg, and R.C. Armstrong, "Energy Conservation in Distillation", in Recent Advances in Separation Techniques (II), AIChE Symposium Series (1979).

  • R.C. Armstrong, "Non-Newtonian Fluids", in Heat Exchanger Design Handbook, E.U.- Schlunder (Ed.in chief), Hemisphere Publishing Co., New York (1983).

  • R.C. Armstrong and H.H. Winter, "Heat Transfer for Non-Newtonian Fluids", in Heat Exchanger Design Handbook, E.U. Schlunder (Editorin chief), Hemisphere Publishing Co., New York (1983).

  • R. B. Bird, C. F. Curtiss, R. C. Armstrong, and O. Hassager, "Viscoelastic Behavior", Section I-40 in Comprehensive Polymer Science, Sir Geoffrey Allen (Editor-in-chief), Volume 1: Polymer Characterization and Properties (Editors: Colin Booth and Colin Price), Pergamon Press, Ltd., London (1988).

  • M. A. Bibbo and R. C. Armstrong, "Rheology of Semi-Concentrated Fiber Suspensions in Newtonian and Non-Newtonian Fluids", in The Manufacturing Science of Composites, T. G. Gutowski (Ed.), ASME Publication, New York (1988).

  • S. Simmons, C.E. Weigand, R.J. Albalak, R.C. Armstrong, and E.L. Thomas, "Thermoplastic Processing of Starch: Melt-Spinning of Starch-Based Fibers", in D. Kaplan and E.L. Thomas, and C. Ching (Eds.), Fundamentals of Biodegradable Packaging and Materials, Technomics, Lancaster, PA (1992).

  • J.K.C. Suen, Y.L. Joo, and R.C. Armstrong, "Molecular orientation effects in viscoelasticity," in Annual Review of Fluid Mechanics, edited by John L. Lumley, Stephen H. Davis, and Parviz Moin (Annual Reviews, Palo Alto, California, 2002), Vol. 34, pp. 417-444.

 
updated: 12-12-2006
Webmaster
Copyright Notice