结构力学综合温习题(国外英文资料).docVIP

结构力学综合复习题(国外英文资料) Problem of structural mechanics 1-1 (easy, 3) graphic system: () A. geometry doesnt have to be redundant; B. geometry is invariant. C. D. Geometric transient. The system of 1-4 (easy, 3) should be: () A. geometry invariant system; B. geometric variable system; A transient system; D. geometric invariance system or transient system. The 1-10 (easy, 3) graph system is: () A. B. geometric transient system; The geometric invariant system of no redundant contact; D. there is a geometric invariant system for redundant connections. 1-14 (medium, 3). Two new pieces, joined by three link rods, are: () A. geometry is constant; B. geometry doesnt change; C. geometric transient; D. Geometry invariant or geometric change or geometric transient. 2-2 (easy, 3) static structures are created when the bearings are moved: () A. internal force; B. stress; C. Rigid body displacement; D. to be out of shape. The geometric features of the static structure of 2-1 (easy, 3) are: () A. no unnecessary restrictions; B. geometry invariant system; The degree of freedom of motion is zero; D. geometry is constant and there is no extra constraint. The reasonable axis of the three hinged arch is: (). A. arc line; B. C. D. Sine curve. 2-30 (easy, 3) in the static structure, except the load, other factors such as temperature change, support movement, etc., () A. all causes internal forces; Neither causes displacement; C. neither causes internal forces; D. it has no effect on internal force and deformation. 2-50 (medium, 3-point) three hinged arch in radial axis. A parabola; B catenary; C arc line; D ellipse line. 2-51 (medium, 3) static structure in the support movement: () A. no deformation, no displacement, no internal force; B. Deformation, displacement, internal force; C. Deformation, displacement, no internal force; D. No deformation, no displacement, no internal force. 3-4 (yi, 4) graphic structure, A, B two relative line displacement, virtual force condition should be applied r