复合材料C型柱轴压失效分析的层合壳建模方法
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摘要
由于易于设计、制造以及承载效率高,C型柱作为一种典型的垂向支撑结构,大量应用于大型运输类飞机货舱地板下部。以复合材料C型柱结构为对象,并结合复合材料C型柱轴向压缩试验,旨在发展其在轴向压缩载荷下失效分析的有限元方法。首先,对材料模型的应力-应变曲线进行参数化研究,明确Lavadèze材料单层模型、Puck IFF基体失效准则和Yamada Sun纤维失效准则中参数的物理意义并给出取值建议。其次,建立"层合壳"模型,模拟轴向压缩载荷下破坏失效的力学行为,并与试验结果进行对比分析。研究结果表明,该建模方法能够较好地模拟渐进压缩破坏过程,平均压缩载荷、比吸能的预测值与试验结果具有较好的一致性。
Due to designability,manufacturability and high load-carrying efficiency,the C-channels has been widely applied to the lower component of the cargo floor of large transport aircraft as a typical support structure.Focusing on the typical composite C-channels,the finite element analysis method for the failure under axial compressive load is developed combed to the C-channel axial compression test.First,parameter study focused on the stress-strain curve of the composite material model was conducted,identifying and analyzing the physical significance and the value of the parameters in Lavadèze model,Puck IFF matrix failure criterion and Yamada Sun fiber failure criterion.Second,the"stacked shell"model was established.The mechanical behavior under axial compressive load was simulated,and then compared with the test.The results show that the model can well simulate the progressive crushing process,and has good consistency with the test in terms of average crushing load and specific energy absorption.
Due to designability,manufacturability and high load-carrying efficiency,the C-channels has been widely applied to the lower component of the cargo floor of large transport aircraft as a typical support structure.Focusing on the typical composite C-channels,the finite element analysis method for the failure under axial compressive load is developed combed to the C-channel axial compression test.First,parameter study focused on the stress-strain curve of the composite material model was conducted,identifying and analyzing the physical significance and the value of the parameters in Lavadèze model,Puck IFF matrix failure criterion and Yamada Sun fiber failure criterion.Second,the"stacked shell"model was established.The mechanical behavior under axial compressive load was simulated,and then compared with the test.The results show that the model can well simulate the progressive crushing process,and has good consistency with the test in terms of average crushing load and specific energy absorption.
引文
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[25]LADEVEZE P,LEDANTEC E.Damage modelling of the elementary ply for laminated composites[J].Composites Science and Technology,1992,43(3):257-267.
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[28]YAMADA S E,SUN C T.Analysis of laminate strength and its distribution[J].Journal of Composite Materials,1978,12(3):275-284.
[29]ESI Group.PAM-CRASH 2011Solve Reference Manual Volvme VI Muiti-Applications/Physics Modeling[M].[s.1]:ESI Group,2011:276-277.
[30]PICKETT A K,JOHNSON A F,ROZICKY P.Computational methods for predicting impact damage in composite structures[J].Composite Science and Technology,2001,61(15):2183-2192.
[2]BUSSADORI B P,SCHUFFENHAUER K,SCATTINAA.Modelling of CFRP crushing structures in explicit crash analysis[J].Composites Part B.Engineering,2014,60(1):725-735.
[3]MCGREGOR C J,VAZIRI R,POURSARTIP A,et al.Simulation of progressive damage development in braided composite tubes under axial compression[J].Composites Part A:Applied Science&Manufacturing,2007,38(11):2247-2259.
[4]MOU H L,ZOU T C,FENG Z Y,et al.Crashworthiness analysis and evaluation of fuselage section with subfloor composite sinusoidal specimens[J].Latin American Journal of Solids and Structures,2016,13(6):1187-1202.
[5]田春雷,皮爱国,黄风雷.CFRP复合材料层合圆筒轴向压缩试验与数值模拟[J].复合材料学报,2013,30(2):159-164.TIAN C L,PI A G,HUANG F L.Axial compression test and numerical simulation of CFRP composite laminated cylinders[J].Acta Materiae Compositae Sinica,2013,30(2):159-164(in Chinese).
[6]CHATIRI M,GULL T,MATZENMILLER A.An assessment of the new LS-DYNA layered solid element:basics,patch simulation and its potential for thick composite structures analysis[C]∥Proceedings of the 7th European LS-DYNA Conference.Salzburg:Livermore Software Technology Corporation,2009:14-15.
[7]WAIMER M,SIEMANN M H,FESER T.Simulation of CFRP components subjected to dynamic crash loads[J].International Journal of Impact Engineering,2017,101:115-131.
[8]FERABOLI P.Development of a corrugated test specimen for composite material energy absorption[J].Journal of Composite Material,2008,42(3):229-256.
[9]FEINDLER N,DRECHSLER K,DOLL J.Test method to analyse the energy absorption of composite material using flat coupon testing[C]∥Proceedings of the 5th International Conference on Composites Testing and Model I-dentification.Lausanne:Materials Today,2011:14-16.
[10]HUANG J C,WANG X W.Numerical and experimental investigations on the axial crushing response of composite tubes[J].Composite Structures,2009,91(2):222-228.
[11]JOOSTEN M W,DUTTON S,KELLY D,et al.Experimental and numerical investigation of the crushing response of an open section composite energy absorbing element[J].Composite Structures,2011,93(2):682-689.
[12]HADAVINIA H,GHASEMNEJAD H.Effects of ModeI and Mode-II interlaminar fracture toughness on the energy absorption of CFRP twill/weave composite box sections[J].Composite Structures,2009,89(2):303-314.
[13]PALANIVELU S,PAEPEGEM W V,DEGRIECK J,et al.Parametric study of crushing parameters and failure patterns of pultruded composite tubes using cohesive elements and seam,Part I:Central delamination and triggering modelling[J].Polymer Testing,2010,29(6):729-741.
[14]PALANIVELU S,PAEPEGEM W V,DEGRIECK J,et al.Parametric study of crushing parameters and failure patterns of pultruded composite tubes using cohesive elements and seam:Part II-Multiple delaminations and initial geometric imperfections[J].Polymer Testing,2010,29(7):803-814.
[15]SIROMANI D,AWERBUCH J,TAN T M.Finite element modeling of the crushing behavior of thin-walled CFRP tubes under axial compression[J].Composites Part B:Engineering,2014,64(18):50-58.
[16]ALASTAIR F J,MATTHEW D.Failure mechanisms in energy-absorbing composite structures[J].Philosophical Magazine,2010,90(31-32):4245-4261.
[17]黄建城,王鑫伟,袁张贤.含薄弱环节复合材料圆管耐撞性研究[J].南京航空航天大学学报,2010,42(4):423-428.HUANG J C,WANG X W,YUAN Z X.Research on crashworthiness of composite pipe with weak link[J].Journal of Nanjing University of Aeronautics&Astronautics,2010,42(4):423-428(in Chinese).
[18]冯振宇,赵彦强,陈艳芬,等.含不确定性参数的复合材料薄壁结构吸能特性评估方法研究[J].振动与冲击,2015,34(12):7-12.FENG Z Y,ZHAO Y Q,CHEN Y F,et al.Evaluation method for energy-absorbing composite structures with uncertain parameters[J].Journal of Vibration and Shock,2015,34(12):7-12(in Chinese).
[19]解江,冯振宇,赵彦强,等.含随机不确定参数复合材料薄壁结构吸能特性评估方法研究[J].振动与冲击,2015,34(22):109-114.XIE J,FENG Z Y,ZHAO Y Q,et al.Evaluation method based on probability for energy-absorbing composite structures with uncertain parameters[J].Journal of Vibration and Shock,2015,34(22):109-114(in Chinese).
[20]冯振宇,周建,张雪晗,等.复合材料薄壁圆管压溃吸能机理分析及层叠壳建模方法研究[J].振动与冲击,2017,36(23):268-275.FENG Z Y,ZHOU J,ZHANG X H,et al.Mechanism analysis and laminated shell modeling for crushing energy absorption of composite thin-walled circular tubes[J].Journal of Vibration and Shock,2017,36(23):268-275(in Chinese).
[21]于哲峰,陈亚军,伊鹏跃,等.中等质量冲击下复合材料层压板冲击响应特性分析[J].固体力学学报,2013,34(6):557-561.YU Z F,CHEN Y J,YI P Y,et al.Analysis of impact response characteristics of composite laminates under moderate quality impact[J].Acta Mechanics Solid Sinica,2013,34(6):557-561(in Chinese).
[22]孟祥吉,燕瑛,罗海波,等.复合材料波纹梁冲击试验与数值模拟[J].复合材料学报,2015,32(1):196-203.MENG X J,YAN W,LUO H B,et al.Impact test and numerical simulation of composite corrugated beams[J].Acta Materiae Compositae Sinica,2015,32(1):196-203(in Chinese).
[23]JIANG H Y,REN Y R,GAO B H.Research on the progressive damage model and trigger geometry of composite waved beam to improve crashworthiness[J].Thin-Walled Structures,2017,119:531-543.
[24]FERABOLI P,WADE B,DELEO F,et al.LS-DYNAMAT54modeling of the axial crushing of a composite tape sinusoidal specimen[J].Composites Part A:Applied Science and Manufacturing,2011,42(11):1809-1825.
[25]LADEVEZE P,LEDANTEC E.Damage modelling of the elementary ply for laminated composites[J].Composites Science and Technology,1992,43(3):257-267.
[26]PUCK A,SCHRMANN H.Failure analysis of FRPlaminates by means of physically based phenomenological models[J].Composites Science&Technology,2002,62(12-13):1633-1662.
[27]HINTON M J,KADDOUR A S,SODEN P D.A comparison of the predictive capabilities of current failure theories for composite laminates,judged against experimental evidence[J].Composites Science&Technology,2002,62(12-13):1725-1797.
[28]YAMADA S E,SUN C T.Analysis of laminate strength and its distribution[J].Journal of Composite Materials,1978,12(3):275-284.
[29]ESI Group.PAM-CRASH 2011Solve Reference Manual Volvme VI Muiti-Applications/Physics Modeling[M].[s.1]:ESI Group,2011:276-277.
[30]PICKETT A K,JOHNSON A F,ROZICKY P.Computational methods for predicting impact damage in composite structures[J].Composite Science and Technology,2001,61(15):2183-2192.