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50 000t级多用途船货舱双层底结构焊接变形预测 被引量:3

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摘要 预测双层底船体结构单元的焊接变形,对于船体结构制造工艺设计和精度控制具有重要意义。以50 000 t级多用途船为对象,通过大量的计算和实测建立了船体结构焊接的固有应变数据库,整理得到了一个简化的以板厚为参数的固有应变计算公式,运用基于固有应变的弹性有限元分析的焊接变形预测专用软件WSDP,对第6货舱的双层底结构焊接变形进行预测,预测结果与实测结果具有良好的一致性,所建立的固有变形数据库以及简化计算公式的实用性得到验证。
出处 《造船技术》 2010年第5期34-36,共3页
基金 浙江省重大科技专项(项目编号:2008C01057-3)
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