文章摘要
Design and Finite Element Analysis of Rubber Material Cruciform Specimen Based on ANSYS Workbench
Received:October 17, 2019  Revised:October 17, 2019
DOI：10.12136/j.issn.1000-890X.2020.04.0311
Key Words: rubber material；cruciform specimen；arm gap；ANSYS Workbench software；finite element analysis
Author NameAffiliationE-mail
ZHANG Xuanli Qingdao University of Science and Technology zxl6503@126. com 
PENG Dongdong Qingdao University of Science and Technology 892442743@qq.com 
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Abstract:
      The mathematical model of the cruciform specimen with open arm gap design by finite element analysis software ANSYS Workbench was established，and the influence of arm gap and its parameters on the stress distribution uniformity in the central test area was simulated and analyzed. The results showed that the opening of the arm gap could improve the uniformity of the stress distribution in the central test area of the cruciform specimen. The width and length of the arm gap had no significant influence on the stress distribution in the central test area of the specimen. However，the increase of the width of the arm gap had a relatively greater influence on the stress distribution of the extension arms. It was found that the suitable width and length of the arm gap were 1 and 20 mm，respectively. This study provided a reference for the preparation of standard sample for the biaxial tensile test of rubber material.
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