Typical experiment of convection heat transfer in tubes is under the first or the second boundary condition.
典型的管内对流换热实验均在第一、第二类边界条件下进行。
Second, Simulating experiment condition, putting constraint on boundary of model, changing entity model to finite element model and using buckled analysis to calculate the CD critical load.
第二步，模拟实验条件，对模型施加边界约束，把实体模型转换为有限元的数学模型，并利用屈曲分析，对瓦楞纸板竖向边压的临界载荷进行计算。
Theoretical analysis and experiment results prove that the chamber pressurization rate, the debond dimension and the boundary condition have strong effects on the propagation of the debond.
理论分析和试验结果均表明：燃烧室增压速率、脱粘面尺寸、边界条件等因素对脱粘面扩展均有较强的影响。
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