Kerry S. Havner Professor Emeritus of Civil Engineering Structural Engineering and Mechanics Office: 412 Mann Hall Phone: (919) 515-7632 Fax: (919) 515-7908 E-mail: havner@eos.ncsu.edu

Research Interests

Representative Publications

On convergence of the finite element method for a class of elastic-plastic solids (with H.P. Patel). Q. Appl. Math. 34, 59-68, 1976.

Application of a discrete polycrystal model to the analysis of cyclic straining in copper (with C. Singh). Int. J. Solids Struct. 13, 395-407, 1977.

A simple mathematical theory of finite distortional latent hardening in single crystals (with A.H. Shalaby). Proc. R. Soc. Lond. A 358, 47-70, 1977.

Theoretical latent hardening in crystals - I. General equations for tension and compression with application to f.c.c. crystals in tension (with G.S. Baker & R.F. Vause). J. Mech. Phys. Solids 27, 33-50, 1979.

Perspectives in the mechanics of elastoplastic crystals (with R. Hill ). J. Mech. Phys. Solids 30, 5-22, 1982.

Theoretical analysis of the channel die compression test - I. General considerations and finite deformation of f.c.c. crystals in stable lattice orientations (with P.L. Sue). J. Mech. Phys. Solids 32, 417-42, 1984.

Analysis of a family of unstable lattice orientations in (110) channel die compression (with D. Chidambarrao). Acta Mech. 69, 243-69, 1987.

A theory of minimum plastic spin in crystal mechanics (with S. Fuh). Proc. R. Soc. Lond. A 422, 193-239, 1989.

Finite Plastic Deformation of Crystalline Solids, Cambridge Monographs on Mechanics and Applied Mathematics, Cambridge University Press, Cambridge, 1992.

G. I. Taylor revisited: the cone of unextended directions in double slip. Int. J. Plasticity 9, 159-79, 1993.

Exact stress states and velocity fields in bicrystals at the yield point in channel die compression (with S.-C. Wu). Z. angew. Math. Phys. 46, S446-65, 1995.

Analytical and numerical investigation of nonuniform straining and subgrain initiation in bicrystals in channel die compression (with S.-C. Wu). Phil. Trans. R. Soc. Lond. A 355, 1905-43, 1997.

Numerical studies of nonuniform deformation, stress state evolution, and subgrain formation in bicrystals in (110) channel die compression (with Pingao Yu). J. Mech. Phys. Solids 49, 173-208, 2001.

On the onset of necking in the tensile test. Int. J. Plasticity 20, 965-78, 2004.

On lattice and material-frame rotations and crystal hardening in high-symmetry axial loading, Philosophical Magazine, Vol. 85, 2861-2894, 2005.

Professional Memberships

American Society of Civil Engineers

American Society of Mechanical Engineers

Sigma Xi

Society of Engineering Science

Society of Industrial and Applied Mathematics