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Journal of Intelligent Material Systems and Structures
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Stress Reduction in an Isotropic Plate with a Hole by Applied Induced Strains

Pradeep K. Sensharma

Department of Aerospace and Ocean Engineering Virginia Polytechnic Institute and State University Blacksburg, VA 24061-0203

Markku J. Palantera

Department of Aerospace and Ocean Engineering Virginia Polytechnic Institute and State University Blacksburg, VA 24061-0203

Raphael T. Haftka

Department of Aerospace and Ocean Engineering Virginia Polytechnic Institute and State University Blacksburg, VA 24061-0203

Recently there has been much interest in adaptive structures that can respond to a varying environment by changing their properties. Shape memory alloys and piezoelectric materials can be used as induced strain actuators to reduce stresses in the regions of stress concentration. The objective of our work was to find the maximum possible reduction in the stress concentration factor in anisotropic plate with a hole by applying induced strains in a small area near the hole.

Journal of Intelligent Material Systems and Structures, Vol. 4, No. 4, 509-518 (1993)
DOI: 10.1177/1045389X9300400410
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[Abstract] [PDF]