粘弹性阻尼材料在板结构中的优化计算

An optimized computation for damping-elastic plank structure

为了选择合适的阻尼结构处理方案 (包括各种基本结构类型 )以求得最佳、最经济实用的效果 ,采用有限元法通过计算机运算 ,具有快速及准确性。依据应变能理论 ,应用有限元法对板阻尼结构进行多种方案的优化计算 ,以求取粘弹阻尼复合板的结构频率和阻尼系数。经过理论计算和相关的试验 ,认为此种方法相对实验研究来说 ,既具有快速及准确性 ,又具有省时、省力、费用低等优点。尽可能减少原始输入数据的误差 ,可以提高计算的精确性。

A computerized computation with finite element method can well and rapidly bring about optimal and economical result for the selection of an appropriate handling of damping structure.In this article,the author used the strain energy theory and FEM to optimize the computation of a plank damping structure through various ways,and tried to get the structure frequency and damping coefficient of the damping-elastic compound plank.The theoretic computation and related experiments proved that such method is more rapid and accurate by comparison with an experiment research,while with lower timeconsumption and cost.More accurate input data can enhance the precision of the computation.