Leon M Keer

  • 10462 Citations
1960 …2019
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Personal profile

Certifications and Licenses

Registered Professional Engineer, ME-11950 issued by California

Research Interests

Engineering mechanics; tribology

Education/Academic qualification

PhD, University of Minnesota

… → 1962

Mechanical Engineering, MS, California Institute of Technology

… → 1958

Engineering, BS, California Institute of Technology

… → 1956

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Grants 2001 2010

Research Output 1960 2019

A closed-form solution for the horizontally aligned thermal-porous spheroidal inclusion in a half-space and its applications in geothermal reservoirs

Zhang, X., Lyu, D., Li, P., Jin, X., Liaw, P. K. & Keer, L. M., Jan 1 2019, In : Computers and Geosciences. 122, p. 15-24 10 p.

Research output: Contribution to journalArticle

half space
pore pressure
symmetry
analytical method
volcano

A thermoelastic contact model between a sliding ball and a stationary half space distributed with spherical inhomogeneities

Yang, W., Zhou, Q., Huang, Y., Wang, J., Jin, X. & Keer, L. M., Mar 1 2019, In : Tribology International. 131, p. 33-44 12 p.

Research output: Contribution to journalArticle

half spaces
sliding
balls
inhomogeneity
Conjugate gradient method
6 Citations

An energy based analytical method to predict the influence of natural fractures on hydraulic fracture propagation

Yao, Y., Wang, W. & Keer, L. M., Feb 15 2018, In : Engineering Fracture Mechanics. 189, p. 232-245 14 p.

Research output: Contribution to journalArticle

Crack propagation
Hydraulics
Hydraulic fracturing
Stability criteria
Productivity
Unloading
Hardening
Plastics
Coatings
Substrates

Contact elasto-plasticity of inhomogeneous materials and a numerical method for estimating matrix yield strength of composites

Zhang, M., Ning, Z., Wang, Q. J., Arakere, N., Zhou, Q., Wang, Z., Jin, X. & Keer, L. M., Nov 1 2018, In : Tribology International. 127, p. 84-95 12 p.

Research output: Contribution to journalArticle

yield strength
plastic properties
Plasticity
Yield stress
Numerical methods