Bob Kolkka's prof. interests and info.

Vita

Date of birth: August 27, 1954
Place of birth: Chicopee Falls, Mass.,Westover AFB, USAF
Citizenship: U.S.A.

Education

A.B. in Applied Mathematics, Rutgers College, Rutgers University, May 1976

M.S. in Applied Mechanics, Lehigh University, May 1979, M.S. thesis:" The Steady State Motion of a Rigid Strip Perfectly Bonded to an Elastic Half Space", Fazil Erdogan, advisor

Ph.D. in Applied Mechanics, Lehigh University, Oct. 1982, Ph.D. dissertation:" A Mathematical Analysis of Carrier Facilitated Diffusion", Eric P. Salathe, advisor

Employment History

Postdoctoral Associate, Mathematical Sciences Dept., Rensselaer Polytechnic Institute, Troy, New York, Sept.1982 to July 1983

Visiting Assistant Prof., Mathematical Sciences Dept., Indiana University- Purdue University at Indianapolis, Indianapolis, Indiana, Sept.1983 to July 1984

Assistant/Associate Prof., Mathematical Sciences Dept., Adjunct in depts. of Chemical Engineering, and Mechanical Engineering-Engineering Mechanics, Michigan Technological University, Houghton, Michigan, Sept. 1984 to present

Membership in professional societies

AIChE, Society of Rheology

List of Selected Publications

Kolkka,R.W. 1984: Singular perturbations of bifurcations with multiple independent bifurcation parameters, SIAM J. Appl. Math. 44, 2, 257-269

Kolkka,R.W. 1984: On the nonlinear Beck's problem with external damping, Int. J.Nonlinear Mech. 19,6,497-505

Kolkka,R.W., and Salathe,E.P. 1984: a mathematical analysis of carrier facilitated diffusion, Mathematical Biosciences, 71, 147-179

Salathe,E.P. and Kolkka,R.W. 1986: Reduction of anoxia through myoglobin facilitated diffusion of oxygen, Biophysical Journal, 50, 885-894

Kolkka,R.W. and Ierley,G.R. 1987: On the convected linear stability of a viscoelastic Oldroyd-B fluid heated from below, J. Non-Newtonian Fluid. Mech., 25, 209-237

Kolkka,R.W., Malkus,D.S., Hansen,M.G., Ierley,G.R., and Worthing,R.A. 1988: Spurt phenomena of the Johnson-Segalman fluid and related models, J. Non- Newtonian Fluid Mech., 29, 303-335

Kolkka,R.W. and Ierley,G.R> 1989: Phase space analysis of the spurt phenomenon for the Giesekus viscoelastic fluid model, J. Non-Newtonian Fluid Mech., 33, 3-21

Kolkka,R.W., Malkus,D.S., and Rose,T.R. 1991: Finite rise time step strain
modeling of nearly monodisperse polymer melts and solutions, Rheological Acta
30, 430-44

My Mathematical interests

Viscoelasticity and partial differential eqns. with integral memory effects
Bifurcation and nonlinear stability theory
Asymptotic and perturbation methods
Numerical methods for memory effects with rapid transients


My Chemical Engineering interests

Theoretical polymer rheology: constitutive eqns. for polymer melts and solutions, numerical methods for flow problems involving single integral constitutive eqns.
Polymer processing: melt fracture in polymer processing flows and other viscoelastic instabilities in processing flows, fiber spinning