結(jié)構(gòu)力學(xué)矩陣位移法實(shí)踐報(bào)告-文庫(kù)吧
2025-04-29 03:33 本頁(yè)面
【正文】 000 11 12 13 The Information of Supports IS VS 11 .000000 12 .000000 13 .000000 31 .000000 32 .000000 33 .000000 51 .000000 52 .000000 53 .000000 Loading Case 1 The Loadings at Joints NLJ= 4 joint FX FY FM 7 .000000 .000000 10 .000000 .000000 11 .000000 .000000 12 .000000 .000000 The Loadings at Members NLM= 7 member type VF DST 1 3 2 2 2 4 4 4 4 2 7 4 9 4 The Results of Calculation The Joint Displacements joint u v rotation 1 2 3 4 5 6 7 8 9 10 11 12 13 The Terminal Forces member FN FS M 1 start 1 end 2 2 start 2 end 4 3 start 3 end 4 4 start 4 .150115 end 6 5 start 5 end 6 6 start 2 end 7 7 start 7 end 8 8 start 4 end 8 9 start 8 end 9 10 start 6 end 9 11 start 7 end 10 12 start 10 end 11 13 start 11 end 12 14 start 8 end 12 15 start 12 end 13 16 start 9 end 13 （4）根據(jù)得到的數(shù)據(jù)，繪制內(nèi)力圖如下：FN圖：Fs圖：M圖：計(jì)算圖示桁架各桿的軸力。已知A=2400mm2,E=105 MPa。解：（1）編號(hào)：（2） ，存于PF同一文件夾內(nèi)。注意到，由于題目中將桁架結(jié)點(diǎn)簡(jiǎn)化為鉸結(jié)，故各桿只受軸力而不受剪力和彎矩，故將I假設(shè)盡可能?。?E18）。具體輸入如下：
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