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1·Structure computation of sheet-pile wall is a major part in design of sheet pile bulkhead, which is a main form of quay.

板桩码头是一种主要的码头结构形式，其中板桩墙结构计算又是板桩码头的一个重要内容。

2·Abstract: Several method are brought forward in order to improve the computation efficiency of the FEA of sheet forming. The Influence of virtue speed on the numerical simulation is also investigated.

文摘：主要介绍了提高板料成形有限元分析计算效率的几种方法，并通过实验研究了虚拟速度对有限元分析结果的影响。

3·Several method are brought forward in order to improve the computation efficiency of the FEA of sheet forming. The Influence of virtue speed on the numerical simulation is also investigated.

主要介绍了提高板料成形有限元分析计算效率的几种方法，并通过实验研究了虚拟速度对有限元分析结果的影响。

4·And parameters of heating sheet are determined on the basis of computation and verification employing computer software.

借助计算机软件，在验证和修正的基础上，确定模拟装置的红外加热片的参数。

5·The computation expression for the strain neutral layer of stress and plastic bending was introduced and so the thinning coefficient computing formula of sheet metal was deduced.

给出了板料弯曲的应力应变中性层和纯弯曲应变中性层的计算公式，并推出板料弯曲时的变薄系数计算公式。