| Citation | Distinguished for his contributions to continuum mechanics, particularly concerning the thermo-mechanics of elastic materials. He has elucidated the effects of thermo-mechanical interactions in wave motions and vibrations of elastic bodies. He has also made important contributions to (a) heat conduction problems in geophysics relevant to the thermal heating of the earth (b) elastokinetics and acoustics (c) applications of the theory of plasticity to the study of ground movement caused by chemical explosions (d) analytical and numerical studies in finite elasticity and (e) the continuum theory of mixtures. |