基于Ls-Dyna软件2种材料模型的碳纤维复合材料层合板面内剪切有限元仿真
Finite Element Simulation of In-plane Shear of Carbon Fiber Reinforced Plastic Laminates with Two Material Models of LS-DYNA Software
摘 要
通过准静态单轴拉伸试验和面内剪切试验获取力学性能参数，采用Ls-Dyna软件中的纤维增强复合材料渐进损伤模型和复合材料层合板连续损伤模型模拟碳纤维复合材料层合板在面内剪切载荷作用下的力学响应和破坏模式，对比了2种模型的适用性。结果表明：在面内剪切过程中的初始线弹性阶段，2种模型都能较好地模拟出碳纤维复合材料层合板的力学特性。随着载荷的持续增大，渐进损伤模型的载荷-位移仿真曲线依旧呈线性上升，到达载荷峰值后迅速下降，与试验曲线存在很大偏差；连续损伤模型由于引入了损伤参数，当材料出现损伤后，其载荷-位移仿真曲线呈非线性，与试验曲线吻合良好。
连续损伤模型
渐进损伤模型
损伤参数
carbon fiber reinforced plastic
continuous damage model
progressive failure model
damage parameter
Abstract
The progressive failure model of fiber reinforced plastics and the continuous damage model of composite laminate of the Ls-Dyna software were applied to simulate the mechanical response and damage modes of carbon fiber reinforced plastic laminates under in-plane shear loads, with the mechanical parameters obtained by quasi-static uniaxial tensile and in-plane shear tests. The applicability of the two models was compared. The results show that in the initial linear elastic stage during in-plane shearing, the two models could simulate the mechanical characteristics of the carbon fiber reinforced plastic laminates. As the load continued to increase, the load-displacement simulation curve obtained by the progressive failure model still rose linearly, and dropped rapidly after reaching the load peak; the simulation curve had a large deviation from the test curve. When the material was damaged, because of the introduction of damage parameters, the load-displacement simulation curve obtained by the continuous damage model was nonlinear, which was in good agreement with the test curve.
中图分类号 TB332 DOI 10.11973/jxgccl202012016
所属栏目 物理模拟与数值模拟
基金项目 国家重点研发计划“新能源汽车”重点专项项目（2016YFB0101602）
收稿日期 2020/8/5
修改稿日期 2020/11/27
网络出版日期
作者单位点击查看
备注孟宪明(1980-),男,山东济南人,高级工程师,博士
引用该论文: MENG Xianming,ZHONG Zheng,CHENG Congqian,CAO Tieshan,ZHAO Jie,HUANG Yafeng,WU Yao. Finite Element Simulation of In-plane Shear of Carbon Fiber Reinforced Plastic Laminates with Two Material Models of LS-DYNA Software[J]. Materials for mechancial engineering, 2020, 44(12): 85～90
孟宪明,钟正,程从前,曹铁山,赵杰,黄亚烽,吴瑶. 基于Ls-Dyna软件2种材料模型的碳纤维复合材料层合板面内剪切有限元仿真[J]. 机械工程材料, 2020, 44(12): 85～90
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【2】许鹏, 许睿. 高速动车组碳纤维材料车头连接结构及强度分析[J]. 大连交通大学学报, 2020, 41(4):5-8.
【3】张璇, 沈真. 航空航天领域先进复合材料制造技术进展[J]. 纺织导报, 2018(增刊1):72-79.
【4】黄炎,梁禄忠,孙金萍,等.碳纤维表面状态及其对复合材料剪切性能的影响[J].材料与冶金学报,2015,14(3):197-200.
【5】孙炳君, 王俊, 迟蕾. 碳纤维复合材料面内剪切性能试验研究[J]. 材料导报, 2008(增刊3):187-189.
【6】张勇波, 傅惠民. 国产炭纤维CCF300与T300炭纤维复合材料剪切载荷下的失效模式研究[J]. 材料工程, 2012, 40(8):55-59.
【7】WANG J, CALLUS P, BANNISTER M. Experimental and numerical investigation of the tension and compression strength of un-notched and notched quasi-isotropic laminates[J]. Composite Structures, 2004, 64(3/4):297-306.
【8】MAKEEV A, HE Y H, CARPENTIER P, et al. A method for measurement of multiple constitutive properties for composite materials[J]. Composites Part A:Applied Science and Manufacturing, 2012, 43(12):2199-2210.
【9】张春丽, 黄争鸣, 董国华. 基于非线性本构关系的复合材料风机叶片有限元极限分析与设计[J]. 复合材料学报, 2007, 24(2):174-183.
【10】VAN DER MEER F P, SLUYS L J. Continuum models for the analysis of progressive failure in composite laminates[J]. Journal of Composite Materials, 2009, 43(20):2131-2156.
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【21】PUCK A, SCHVRMANN H. Failure analysis of FRP laminates by means of physically based phenomenological models[J]. Composites Science and Technology, 2002, 62(12/13):1633-1662.
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【23】BOGETTI T A, STANISZEWSKI J, BURNS B P, et al. Predicting the nonlinear response and progressive failure of composite laminates under tri-axial loading[J]. Journal of Composite Materials, 2012, 46(19/20):2443-2459.
【24】FERABOLI P, WADE B, DELEO F, et al. LS-DYNA MAT54 modeling of the axial crushing of a composite tape sinusoidal specimen[J]. Composites Part A:Applied Science and Manufacturing, 2011, 42(11):1809-1825.
【25】MATZENMILLER A, LUBLINER J, TAYLOR R L. A constitutive model for anisotropic damage in fiber-composites[J]. Mechanics of Materials, 1995, 20(2):125-152.
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