The numerical simulation has the advantage of systematization and flexibility, but the results must be verified through physical tests before they are used as instructions for real fabrications.
焊接数值模拟具有系统、灵活的特点，但其结果需进行物理模拟验证，才可应用于实际结构的生产中。
The latter is a kind of physical explosion with a serious destructive force. To study the generation mechanism of BLEVE a small-scale experimental device has been set up to conduct simulation tests.
BLEVE是一种物理爆炸，具有严重的破坏性，为研究沸腾液体膨胀蒸汽爆炸的发生机理，建立了小型实验装置进行模拟试验。
After experimental tests the self simulation principle was used to develop the numerical simulation method to physical device.
经实验校模后利用自模化原理将数值模拟方法推广到实物装置上去。
By simulation tests, engineer can not only discover the potential problems of design and modify it in time, but also decrease the dependence on physical model.
通过虚拟样机技术，工程师可以运用机械系统仿真试验，在设计阶段发现产品设计中的潜在问题，并快速进行修改，减少了对于物理样机的依赖。
By simulation tests, engineer can not only discover the potential problems of design and modify it in time, but also decrease the dependence on physical model.
通过虚拟样机技术，工程师可以运用机械系统仿真试验，在设计阶段发现产品设计中的潜在问题，并快速进行修改，减少了对于物理样机的依赖。
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