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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.
Conve r t following reading of pressure to kPa, supposing that the barometer reads 760mm Hg. (1) 90cm Hg gauge (2) 40cm Hg vacuum (3) 1.2m H 2 O gauge Sol: Given
Estimate the Cutting Time A surface 115 mm wide and 250 mm long is to be rough milled with a depth of cut of 6 mm by a 16-tooth cemented carbide face mill 150 mm in diameter.
Q. In every electromagnetic conversion device, both generator and motor action take place simultaneously. Explain. The case the output is mechanical as in a motoring mode, th
An open-loop control system has the following state-space model: (a) Determine the characteristic equation for the open-loop control system. (b) Determine the characte
Legal Aspect : Few simple steps to take care of legal aspects of setting up a business are to register your unit with concerned organisation, check out the labour laws that would
What is Octree Encoding Octress are hierarchical variant of spatial-occupancy enumeration, designed to address that approach's demanding storage requirements. Octress are in tu
Coefficients of friction: The coefficients of friction under the sliding supports of the door in Figure are equal to 0.30 at A and 0.20 at B. What forces P shall give the 25 k
the effect of slip of belt on the pulleys on the velocity ratio of belt drive?
Draw the bending moment and shear force diagram for the following cases : a) A cantilever beam of length (L) carrying a Point load (W)at its free end. b) A simply supported b
Rubber Hoses: Fuel or vacuum hoses should be installed so that end is bottomed into its fitting which would ensure adequate area for the hose clip to grip the hose beneath the fla
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