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110年 - 110 國立臺灣科技大學_碩士班招生試題_機械工程系(甲組)：材料力學#113299

科目：研究所、轉學考(插大)◆材料原理、材料力學 | 年份：110年 | 選擇題數：0 | 申論題數：17

試卷資訊

所屬科目：研究所、轉學考(插大)◆材料原理、材料力學

選擇題 (0)

申論題 (17)

(1a) the maximum shear stress Tmax in the bar. (5分)

(1b) the angle of twist Φ between the ends of the bar. (5分)
(2a) If the beam is simply supported, what is the span length Lo below which the shear stress governs the allowable load and above which the bending stress governs? (5分)
(2b) If the beam is supported as a cantilever, what is the length Lo below which the shear stress governs the allowable load and above which the bending stress governs? (5分)
(a) Is the structure a statically determinate structure or a statically indeterminate structure? (6分)

(b) Determine the compressive stresses σs, σb, and σc in the steel, brass, and copper, respectively, due to the force P. (18 分)

(c) Determine the shorten S of the assembly, if the tube has a length L of 1 m. (6分)

(a) (2分) the corresponding shear strain, γxy =_________

(b) (6分) the principal stains, ε1 =___________ , ε2 =________，andθP1=________

(c) (1分) the maximum shear strain, γmax =___________
(d) (4分)the principal stresses, 위= ,02=

(e) (1分) the maximum shear stress, τmax =_________

(1) (3分) the strains for an element oriented at an angle θ = 40°, εx=__________ , εy =________ , γxy =_________ (請將各相關答案於答案卷內依序、並標明題號(包括各小題)作答)
(a) (10分) Use the second-order differential equation of the deflection curve (the bending moment equation) to solve for all reactions at A and B.
(b) (6分) Draw shear-force and bending-moment diagrams for the entire beam, labeling all critical ordinates.
(c) (4分) Also, find the equations of the deflection curves for the left-hand half of the beam.
(d) (5分) draw the deflection curve for the entire beam.