A coupling calculation method for welding stress was developed by ABAQUS code. The residual stress for welded joint of P91 steel was simulated by the method above.

本文基于大型有限元软件ABAQUS，开发了一个顺次耦合的焊接应力计算程序，对P 91钢焊接接头的残余应力场进行了模拟。

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The sampling method by coupling criticality source direction biasing and the exponential transform is established for duct shielding calculation.

建立临界源方向偏倚和指数变换相结合的耦合抽样方法，用于反应堆孔道的屏蔽计算。

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Based on the coupling of vehicle dynamic loading and the pavement surface unevenness, a calculation method is formulated for prediction of highway asphalt pavement rutting under dynamic loading.

基于运动车辆与不平整路面的相互耦合作用，建立车辆动力作用下沥青路面车辙计算与预估方法。

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