LI Lei, WU Chang-chun. INCOMPATIBLE FINITE ELEMENT FOR MATERIALS WITH STRAIN GRADIENT EFFECTS[J]. Engineering Mechanics, 2004, 21(5): 166-171.
Citation: LI Lei, WU Chang-chun. INCOMPATIBLE FINITE ELEMENT FOR MATERIALS WITH STRAIN GRADIENT EFFECTS[J]. Engineering Mechanics, 2004, 21(5): 166-171.
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INCOMPATIBLE FINITE ELEMENT FOR MATERIALS WITH STRAIN GRADIENT EFFECTS

  • Department of Mechanics and Mechanical Engineering, University of Science & Technology, Hefei 230026, China;2. School of Civil Eng. & Mech., Shanghai Jiao Tong University, Shanghai 200240, China

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  • Received Date: January 31, 2003
  • Revised Date: April 30, 2003
    Abstract
  • According to Cosserat elasticity theory, energy consistency conditions are presented for discrete system with incompatible element. Rational constrained conditions for the incompatible displacement are derived from the energy consistency conditions. A 4-node plane strain incompatible element is developed. The element can simulate the strain gradient effects of both compressible and nearly incompressible Cosserat materials.
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    WU Chang-chun

    • Department of Mechanics and Mechanical Engineering, University of Science & Technology, Hefei 230026, China;2. School of Civil Eng. & Mech., Shanghai Jiao Tong University, Shanghai 200240, China

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