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<p><b>Abstract</b>—A geometrically nonlinear description of the operation of a multiple-action force actuator, which consists of a shape memory alloy working body and a linear displacement body, is performed. The relative error that appears when this problem is solved in a geometrically linear formulation is shown to increase with phase-structural strain of the working body, and it can exceed 20% for some parameters.</p>

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Geometrically Nonlinear Analysis of the Operation of a Shape Memory Alloy Force Actuator

  • 期刊论文

  • 发表日期：

    2025年4月1日

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  • A. A. Movchan,
  • N. M. Ekster

摘要

Abstract—A geometrically nonlinear description of the operation of a multiple-action force actuator, which consists of a shape memory alloy working body and a linear displacement body, is performed. The relative error that appears when this problem is solved in a geometrically linear formulation is shown to increase with phase-structural strain of the working body, and it can exceed 20% for some parameters.