《abaqus有限元分析简支梁解析》由会员分享，可在线阅读，更多相关《abaqus有限元分析简支梁解析（19页珍藏版）》请在金锄头文库上搜索。
1、1梁C的主要参数:LISon._(対00inn-(b)BeamsStrengtheneduznigQimpoitcSystemsCandDII5:n.(368mini_*in.turnhin.(406mm)其中：梁长3000mm,高为406mm，上下部保护层厚度为38mm,纵筋端部保护层厚度为25mm抗压强度：35.1MPa抗拉强度：2.721MPa受拉钢筋为2Y16，受压钢筋为2Y9.5，屈服强度均为440MPa箍筋：Y7102，屈服强度为596MPa2混凝土及钢筋的本构关系1、运用陈光明老师的论文(Chenetal.2011)来确定混凝土的本构关系：受压强度：etc1+(曲卩/羽2(寸勺)
2、+(/其中a二Ec=2802,二0.002P2、受压强度与开裂位移的相互关系:MpaGf=(0.0469扬05da+26)Nm/ni2其中c=3.0,c=6.93123、损伤因子:叫+dJ/吕其中h=ej2e=10（选取网格为10mm）4、c钢筋取理想弹塑性5、名义应力应变和真实应力及对数应变的转换:Qtrue8pi=ln(l+8)=O(1+8)nomnomQlnnomEtrue6、混凝土最终输入的本构关系如下:compressivebehaviortensilebehaviortensiondamageyieldstressinelasticstrainyieldstressdisplace
3、mentparameterdisplacement21.5027403602.72100025.563592812.72247E-052.6835568820.00031290.187664920.000312928.884773368.85105E-052.6466283190.00062580.319026090.000625831.435018840.0001772782.6102105080.00093870.416069330.000938733.249515370.0002922712.5742995620.00125160.490652370.001251634.40787673
4、0.0004306482.5388915150.00156450.549734630.001564535.012031810.0005887722.5039823270.00187740.59766980.001877435.168721060.0007628332.469567890.00219030.637320970.002190334.978055480.0009492592.4356440290.00250320.670648270.002503234.527492040.0011449282.4022065120.00281610.699038850.002816133.88973
5、6490.0013472452.3692510480.0031290.723501940.00312933.173508980.0015411852.3367732940.00344190.744789410.003441932.381735080.0017377922.304768860.00375480.763472840.003754831.543676930.0019360232.273233310.00406770.779994510.004067730.681617990.0021350822.2421621670.00438060.794702050.004380629.8122
6、39710.0023343742.2115509160.00469350.80787240.004693528.947808230.0025334612.1813950110.00500640.819728980.005006428.097158680.0027320282.1516898710.00531930.830453970.005319327.266490410.0029298542.122430890.00563220.840197450.005632226.459997920.0031267882.0936134360.00594510.849084130.005945125.6
7、80364580.0033227362.0652328570.0062580.857218520.00625824.92914530.0035176411.8115297940.009294840.910442310.0092948424.207060880.0037114781.5942285570.012331680.938747480.0123316823.514222920.0039042441.4090741380.015368520.955771450.0153685222.850304860.0040959491.2519898770.018405360.966807250.01
8、84053622.214671440.0042866161.1191646860.02144220.974332780.021442221.606476160.0044762761.0071042620.024479040.979657640.0244790421.024734250.0046649630.9126557650.027515880.983535050.0275158819.466151990.0052111360.833013350.030552720.986425830.0305527218.096495730.0057503250.765710270.033589560.9
9、88625330.0335895616.889240560.0062834790.708601940.03662640.990329810.036626415.820798970.0068114380.6598432810.039663240.991673390.0396632414.870922570.0073349260.6178628260.042700080.99274980.0427000814.02251450.0078545530.5813354270.045736920.993625740.0457369213.261240680.0083708310.5491548630.0
10、48773760.99434940.0487737612.575106340.0088841880.5204072880.05181060.9949560.051810611.954064090.0093949840.4943461110.054847440.995471540.0548474411.389674850.0099035180.4703687070.057884280.995915420.0578842810.87482430.0104100470.4479951660.060921120.99630220.0609211210.403489570.0109147840.4268
11、491510.063957960.996642880.063957969.9705488860.0114179130.4066408760.06699480.996945860.06699489.5716268130.011919590.3871521190.070031640.997217570.070031649.2029683920.012419950.3682231540.073068480.997462980.073068488.8613366970.0129191080.3497414790.076105320.997685950.076105328.5439291790.0134
12、171640.3316321530.079142160.997889540.079142168.2483091390.0139142060.3138496230.0821790.998076150.0821797.9723493610.014410310.2963708440.085215840.998247730.085215847.7141855790.0149055420.2791895620.088252680.998405860.088252687.4721778770.0153999620.2623116130.091289520.998551850.091289527.24487
13、85520.0158936210.2457510870.094326360.998686780.094326367.031005230.0163865650.2295272570.09736320.998811580.09736326.8294182890.0168788350.213662150.100400040.998927060.100400046.6391018290.0173704680.198178660.103436880.999033930.103436886.4591475480.0178614960.1830991140.106473720.999132810.106473726.288741050.0183519480.1684442240.109510560.999224270.109510566.1271501560.0188418510.1542323470.11254740.999308830.11254745.9737149020.0193312290.1404789960.115584240.999386950.115584245.8278389460.0198201040.1271965570.118621080.99
