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Geometric modelling:
Geometric modelling is an integral part of any Computer-Aided-Design (CAD) system. Integration of geometric modelling; computer graphics along with design principles develops CAD tools. Therefore, in this unit, a brief treatment of representation of curves is presented. Curve representation in parametric form would increase the graphical representation of curves apart from ease of computation. Synthetic forms of curves such like Hermite cubic B-Splines, Bezier, B-Splines and Nurbs have been extensively used to represent several practical situations being modelled in CAD systems. A detailed treatment of these curves is presented. The features of Wire-frame models and its applications are also discussed.
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To design a cantilevered truss to support the loads shown in the figures, two layouts are proposed as shown in Figs. A and B. All truss members are steel with allowable stress of 2
Alloys For Cutting Tools Apart from tool steels illustrated in further unit, alloys that comprise wholly non-ferrous elements have been enhanced. Such alloys behave superior
Determine a least square geometric curve y = ax b to the following data : x: 1 2 3 4 5 y: 0.5 2 4.5 8 12.5 Fit a straight line y = a + bx to the following data b
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Explain POINT ANGLE - Angle of drills It is also known as a cutting angle. Its most commonly used value for a large variety of materials is 118.Though,its varies from 80 to 140
(a) Illustrate Fourier Series and calculate the constant coefficients. (b) A Harmonic motion is provided by x(t) = 10sin(30t -π/3) where t in seconds and phase angle in radians.
Draw complete shear and moment diagrams for a 3 m long cantilever beam having a uniform distributed load of 2 kN/m along its length.
WHICH IS THE BEST ONLINE MONITORING SYSTEM FOR GAS METAL ARC WELDING
Design a concrete pedestal for a steel column carrying a dead load of 600 kN and an imposed load of 600 kN. Assume the base plate is 350 mm x 350 mm M20 grade concrete and F e , 41
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