结构力学求解器求解示例.doc

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1、. .构造力学二上机试验构造力学求解器的使用上机报告班级：学号：日期：实验三、计算构造的影响线1实验任务1作以下列图示梁中截面D的内力、的影响线。观览器：的影响线观览器：的影响线编辑器：结点,1,0,0结点,2,3,0结点,3,6,0结点,4,12,0结点,6,6,1结点,5,17,1单元,1,2,1,1,0,1,1,1单元,2,3,1,1,1,1,1,1单元,3,4,1,1,1,1,1,0单元,3,6,1,1,0,1,1,0单元,6,5,1,1,0,1,1,0结点支承,1,3,0,0,0结点支承,4,1,0,0结点支承,5,3,0,0,0影响线参数,-2,1,1,3影响线参数,-2,1,1,

2、2End作以下列图示梁中截面D的内力、的影响线。观览器： 的影响线的影响线编辑器：结点,1,0,0结点,2,2,0结点,3,4,0结点,4,6,0结点,5,8,0结点,6,0,1结点,7,8,1结点,8,2,1结点,9,4,1结点,10,6,1单元,1,2,1,1,0,1,1,1单元,2,3,1,1,1,1,1,1单元,3,4,1,1,1,1,1,1单元,4,5,1,1,1,1,1,0单元,1,6,1,1,1,1,1,0单元,6,8,1,1,0,1,1,0单元,8,9,1,1,0,1,1,0单元,9,10,1,1,0,1,1,0单元,10,7,1,1,0,1,1,0单元,7,5,1,1,0,1

3、,1,0单元,8,2,1,1,0,1,1,0单元,9,3,1,1,0,1,1,0单元,10,4,1,1,0,1,1,0结点支承,1,3,0,0,0结点支承,5,1,0,0结点支承,7,1,90,0影响线参数,-2,2,1/2,2影响线参数,-2,2,1/2,3End2自选题：在教材或其它参考书中自选一个绘制构造影响线的例题或习题，上机进展求解。观览器：的影响线的影响线：编辑器：结点,1,0,0结点,2,0,2结点,3,3,2结点,4,4.5,2结点,5,6,2单元,1,2,1,1,1,1,1,1单元,2,3,1,1,1,1,1,0单元,3,4,1,1,0,1,1,1单元,4,5,1,1,1,1

4、,1,1结点支承,1,6,0,0,0,0结点支承,4,1,0,0影响线参数,-2,2,2/3,3影响线参数,-2,2,2/3,2End心得体会：此次影响线的求解过程让我再次看到了利用求解器解决复杂杆件影响线作图的便捷之处，而且操作简单明了。结果准确漂亮，但值得注意的地方就是影响线参数的输入必须要准确合理，这样才能得到确切的实验结果！实验四、力法的辅助计算1实验任务1求解图中的二次超静定刚架。取结点3水平反力为根本未知力，各杆长相等，刚度参数如下杆件1；杆件2；编辑器：结点,1,0,0结点,2,0,4结点,3,4,4单元,1,2,1,1,1,1,1,1单元,2,3,1,1,1,1,1,1结点支承

5、,1,6,0,0,0,0结点支承,3,1,0,0单元荷载,2,3,24,0,1,90结点荷载,2,1,20,0单元材料性质,1,1,5200000,125000,0,-1,-1单元材料性质,2,2,4500000,120000,0,-1,-1结点荷载,3,1,1,180观览器：=0.00229m,=-0.00008由求得根本未知力=28.625。编辑器：结点,1,0,0结点,2,0,4结点,3,4,4单元,1,2,1,1,1,1,1,1单元,2,3,1,1,1,1,1,1结点支承,1,6,0,0,0,0结点支承,3,1,0,0结点荷载,3,1,28.625,180单元荷载,2,3,24,0,1

6、,90结点荷载,2,1,20,0单元材料性质,1,1,5200000,125000,0,-1,-1单元材料性质,2,2,4500000,120000,0,-1,-1观览器：M图：剪力图：2教材P272、273 习题6-22 (a)。编辑器：结点,1,0,0结点,2,0,4结点,3,6,6结点,4,12,4结点,5,12,0单元,1,2,1,1,1,1,1,1单元,2,3,1,1,1,1,1,1单元,3,4,1,1,1,1,1,1单元,4,5,1,1,1,1,1,1结点支承,5,1,0,0结点支承,1,2,-90,0,0单元荷载,2,3,10,0,1,90,1单元材料性质,1,1,-1,1,0,

7、-1,-1单元材料性质,2,2,-1,0.2,0,-1,-1单元材料性质,3,3,-1,0.2,0,-1,-1单元材料性质,4,4,-1,1,0,-1,-1观览器：= 19921.8336，=-1644.84913由求得根本未知力=12.11。编辑器：结点,1,0,0结点,2,0,4结点,3,6,6结点,4,12,4结点,5,12,0单元,1,2,1,1,1,1,1,1单元,2,3,1,1,1,1,1,1单元,3,4,1,1,1,1,1,1单元,4,5,1,1,1,1,1,1结点支承,5,1,0,0结点支承,1,2,-90,0,0单元材料性质,1,1,-1,1,0,-1,-1单元材料性质,2,

8、2,-1,0.2,0,-1,-1单元材料性质,3,3,-1,0.2,0,-1,-1单元材料性质,4,4,-1,1,0,-1,-1结点荷载,5,1,12.11,180单元荷载,2,3,10,0,1,90,1观览器：剪力图：弯矩图：当s=1时，剪力图：弯矩图：当s=5时，剪力图：弯矩图：3自选题：在教材中或其它参考书中自选一个力法计算的例题或习题，上机进展求解。编辑器：结点,1,0,0结点,2,0,6结点,3,0,12结点,4,9,12结点,5,9,6结点,6,9,0单元,1,2,1,1,1,1,1,1单元,2,3,1,1,1,1,1,1单元,3,4,1,1,1,1,1,1单元,4,5,1,1,1

9、,1,1,1单元,5,6,1,1,1,1,1,1单元,2,5,1,1,1,1,1,1结点支承,6,1,0,0结点支承,1,2,-90,0,0单元材料性质,1,1,-1,1,0,-1,-1单元材料性质,2,2,-1,1,0,-1,-1单元材料性质,4,4,-1,1,0,-1,-1单元材料性质,5,5,-1,1,0,-1,-1单元材料性质,3,3,-1,2,0,-1,-1单元材料性质,6,6,-1,2,0,-1,-1结点荷载,3,1,10,0结点荷载,6,1,1,180观览器：=1076.03658，=-215.208220由求得根本未知力=5。编辑器：结点,1,0,0结点,2,0,6结点,3,0

10、,12结点,4,9,12结点,5,9,6结点,6,9,0单元,1,2,1,1,1,1,1,1单元,2,3,1,1,1,1,1,1单元,3,4,1,1,1,1,1,1单元,4,5,1,1,1,1,1,1单元,5,6,1,1,1,1,1,1单元,2,5,1,1,1,1,1,1结点支承,6,1,0,0结点支承,1,2,-90,0,0单元材料性质,1,1,-1,1,0,-1,-1单元材料性质,2,2,-1,1,0,-1,-1单元材料性质,4,4,-1,1,0,-1,-1单元材料性质,5,5,-1,1,0,-1,-1单元材料性质,3,3,-1,2,0,-1,-1单元材料性质,6,6,-1,2,0,-1,

11、-1结点荷载,6,1,5,180结点荷载,3,1,10,0观览器：剪力图：弯矩图：心得体会：这次实验让我看到了力法求解的正确性与合理性以及在手算解题中的重要地位，此方法对于静定和超静定构造均适用。通过这次实验操作让我更加的熟悉了力法方程的使用以及在求解中的形式，值得注意的地方就是在刚架的材料性质的输入时要注意抗拉刚度EA一般是无穷大！实验五、超静定构造的内力与变形计算1实验任务1图示超静定刚架，两杆长相等，刚度参数为：AC杆；BC杆。现A支座竖直向下沉降，水平向右移动，试求其变形图和弯矩图。编辑器：结点,1,0,0结点,2,0,4结点,3,4,4单元,1,2,1,1,1,1,1,1单元,2,3

12、,1,1,1,1,1,0结点支承,3,2,0,0,0结点支承,1,6,0,0.01,-0.01,0单元材料性质,1,1,5200000,125000,0,0,-1单元材料性质,2,2,4500000,120000,0,0,-1观览器：弯矩图：变形图：2图示框架底层左边第一间起火，温度上升了。用求解器计算温度改变引起的最大弯矩值。各杆截面高。编辑器：结点,1,0,0结点,2,0,5结点,3,0,10结点,4,0,15结点,5,5,15结点,6,10,15结点,7,15,15结点,8,15,10结点,9,15,5结点,10,15,0结点,11,10,10结点,12,10,5结点,13,10,0结点

13、,14,5,10结点,15,5,5结点,16,5,0单元,1,2,1,1,1,1,1,1单元,2,3,1,1,1,1,1,1单元,3,4,1,1,1,1,1,1单元,4,5,1,1,1,1,1,1单元,5,6,1,1,1,1,1,1单元,6,7,1,1,1,1,1,1单元,7,8,1,1,1,1,1,1单元,8,9,1,1,1,1,1,1单元,9,10,1,1,1,1,1,1单元,3,14,1,1,1,1,1,1单元,14,11,1,1,1,1,1,1单元,11,8,1,1,1,1,1,1单元,2,15,1,1,1,1,1,1单元,15,12,1,1,1,1,1,1单元,12,9,1,1,1,

14、1,1,1单元,5,14,1,1,1,1,1,1单元,14,15,1,1,1,1,1,1单元,15,16,1,1,1,1,1,1单元,6,11,1,1,1,1,1,1单元,11,12,1,1,1,1,1,1单元,12,13,1,1,1,1,1,1结点支承,16,6,0,0,0,0结点支承,1,6,0,0,0,0结点支承,10,6,0,0,0,0结点支承,13,6,0,0,0,0单元温度改变,1,1,0,100,0.00001,0.6单元温度改变,13,13,0,100,0.00001,0.6单元温度改变,18,18,0,100,0.00001,0.6单元材料性质,1,21,5000000,20

15、000,0,0,-1观览器：弯矩图：杆端 1 杆端 2 - - 单元码轴力剪力弯矩轴力剪力弯矩- 1 4.26305588 -3.05083676 -25.7724962 4.26305588 -3.05083676 -41.0266800 2 3.15171316 3.37911130 -9.65126339 3.15171316 3.37911130 7.24429310 3 1.07039005 0.04253666 1.28174373 1.07039005 0.04253666 1.49442702 4 0.04253666 -1.07039005 1.49442702 0.0425

16、3666 -1.07039005 -3.85752321 5 -0.42801904 2.27369605 -5.58661676 -0.42801904 2.27369605 5.78186347 6 -1.00294570 -1.31228518 4.06964969 -1.00294570 -1.31228518 -2.49177619 7 -1.31228518 1.00294570 -2.49177619 -1.31228518 1.00294570 2.52295232 8 -2.28539281 -0.28836896 0.61981095 -2.28539281 -0.2883

17、6896 -0.82203383 9 -3.57040457 1.49024145 -3.46343767 -3.57040457 1.49024145 3.98776957 10 3.33657464 -2.08132311 5.96254937 3.33657464 -2.08132311 -4.44406618 11 2.33155512 3.28012349 -8.38049257 2.33155512 3.28012349 8.02021487 12 1.29131466 -0.97310763 2.96239679 1.29131466 -0.97310763 -1.9031413

18、8 13 -6.42994805 -1.11134273 -31.3754166 -6.42994805 -1.11134273 -36.9321302 14 -4.20218324 2.68932236 -6.66990248 -4.20218324 2.68932236 6.77670933 15 -1.77861040 -1.28501176 3.78365496 -1.77861040 -1.28501176 -2.64140384 16 -3.34408609 -0.47055570 1.72909355 -3.34408609 -0.47055570 -0.62368492 17

19、-8.70553269 -1.47557521 3.31274146 -8.70553269 -1.47557521 -4.06513460 18 -12.5061977 0.75228960 -34.3273623 -12.5061977 0.75228960 -30.5659144 19 3.58598122 -0.57492667 1.71221378 3.58598122 -0.57492667 -1.16241955 20 7.83921234 -1.61516713 3.89530853 7.83921234 -1.61516713 -4.18052713 21 11.813546

20、4 0.80830571 -1.18747276 11.8135464 0.80830571 2.85405578-最大弯矩值：-41.02668003自选题：在教材或其它参考书中自选一个超静定构造计算的例题或习题，上机进展求解。7-20a编辑器：结点,1,0,0结点,2,0,8结点,3,6,8结点,4,12,8结点,5,18,8结点,6,24,8结点,7,24,0结点,8,18,0结点,9,12,0结点,10,6,0单元,1,2,1,1,1,1,1,1单元,2,3,1,1,1,1,1,1单元,3,4,1,1,1,1,1,1单元,4,5,1,1,1,1,1,1单元,5,6,1,1,1,1,1,

21、1单元,6,7,1,1,1,1,1,1单元,3,10,1,1,1,1,1,1单元,4,9,1,1,1,1,1,1单元,5,8,1,1,1,1,1,1结点支承,10,6,0,0,0,0结点支承,1,6,0,0,0,0结点支承,9,6,0,0,0,0结点支承,8,6,0,0,0,0结点支承,7,6,0,0,0,0单元材料性质,1,9,4500000,120000,0,0,-1单元温度改变,1,6,-10,-40,0.00001,0.6单元温度改变,7,9,10,0,0.00001,0.6观览器：内力计算杆端内力值 ( 乘子 = 1)-杆端 1 杆端 2 - - 单元码轴力剪力弯矩轴力剪力弯矩- 1

22、 6.52376586 4.48018459 -96.3886428 6.52376586 4.48018459 -60.5471660 2 4.48018459 -6.52376586 -60.5471660 4.48018459 -6.52376586 -99.6897612 3 7.22303408 1.78359501 -87.2751154 7.22303408 1.78359501 -76.5735454 4 7.22303408 -1.78359501 -76.5735454 7.22303408 -1.78359501 -87.2751154 5 4.48018459 6.52

23、376586 -99.6897612 4.48018459 6.52376586 -60.5471660 6 6.52376586 -4.48018459 -60.5471660 6.52376586 -4.48018459 -96.3886428 7 -8.30736086 2.74284949 -12.4146457 -8.30736086 2.74284949 9.52815013 8 3.56719001 -0.00000000 0.00000000 3.56719001 -0.00000000 -0.00000000 9 -8.30736086 -2.74284949 12.4146457 -8.30736086 -2.74284949 -9.52815013-心得体会：这次实验相对来说比拟复杂一些，在材料性质的输入上以及温度变量的输入就显得繁杂一些。值得注意的就是在温度变量的输入时，中性层的温度选择以及上下外表温差确实定。关于上下外表温差是根据编号的顺序确定x轴的方向，让后根据相对的y轴来确定上下。其他的均为正常的实验根本操作，但仍要细心，防止小的失误！. .word.