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首页> 外文会议>Smart Structures and Integrated Systems Mar 3-6, 2003 San Diego, California, USA >Optimal Design of Curved Actuator through High Performance Computing
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Optimal Design of Curved Actuator through High Performance Computing

机译：通过高性能计算优化曲线执行器的设计

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摘要

In this paper, the electromechanical displacements of curved actuators such as THUNDER are calculated by finite element method to design the optimal configuration of curved actuators. To predict the pre-stress in the device due to the mismatch in coefficients of thermal expansion, the adhesive as well as metal and PZT ceramic is also numerically modeled by using hexahedral solid elements. Because the modeling of these thin layers causes the numbers of degree of freedom to increase, large-scale structural analyses are performed in a cluster system in this study. The curved shape and pre-stress in the actuator are obtained by the cured curvature analysis. The displacement under the piezoelectric force by an applied voltage is also calculated to compare the performance of curved actuator. The thickness of metal and adhesive, the number of metal layer are chosen as design factors.
机译：本文通过有限元法计算了诸如THUNDER的弯曲执行器的机电位移，以设计弯曲执行器的最佳配置。为了预测由于热膨胀系数不匹配而导致的设备中的预应力，还使用六面体固体元素对粘合剂以及金属和PZT陶瓷进行了数值建模。由于对这些薄层进行建模会导致自由度增加，因此本研究在集群系统中进行了大规模结构分析。通过固化的曲率分析获得执行器中的弯曲形状和预应力。还计算了在压电力作用下施加的电压下的位移，以比较弯曲执行器的性能。选择金属和粘合剂的厚度，金属层的数量作为设计因素。

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