ADHESIVE CONTACT SIMULATION OF ELASTIC SOLIDS USING LOCAL MESH-DEPENDENT DETACHMENT CRITERION IN BOUNDARY ELEMENTS METHOD

ADHESIVE CONTACT SIMULATION OF ELASTIC SOLIDS USING LOCAL MESH-DEPENDENT DETACHMENT CRITERION IN BOUNDARY ELEMENTS METHOD
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边界元方法中使用局部网格相关脱离准则的弹性固体的粘合接触模拟

DOI:
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发表时间:
2015
期刊:
影响因子:
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通讯作者:
V. Popov
V. Popov
中科院分区:
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文献类型:
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作者:
R. Pohrt;V. Popov

文献摘要

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利用应力强度因子的概念,我们提出了一种方法,包括粘附到接触的边界元模拟。关于最大容许表面应力的局部准则决定了特定网格点处的粘接是否失效。通过考虑网格间距,一个强大的方法被发现。使用理论推导的JKR粘附的情况下进行验证。
Using the concept of stress intensity factors, we suggest a way to include adhesion into boundary elements simulation of contacts. A local criterion concerning the maximum admissible surface stresses decides whether the adhesive bonds in particular grid points fail or not. By taking into account the grid spacing, a robust methodology is found. Validation is done using the theoretically derived cases of JKR adhesion.