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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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Example of Shear force and bending moment diagram: Q: Draw the Shear Force and bending moment diagram for the simply supported beam loaded as shown in the figure given belo
Desirable Characteristics of the Piston Silent in operation. Seizure between piston surface and inside of cylinder should not occur. Sufficiently resistant to co
Types of Brake The brakes used in motorcycles can be classified as follows: (a) Drum Brake (b) Disc Brake
Use of Labour-based and Appropriate Technology: The construction and maintenance of rural roads can generate a good level of employment. Hence, the technology used should be
Determine reactions at supports: Determine reactions at supports of supported beam of 6m span carrying increasing load of 1500N/m to 4500N/m from one end to another end.
an air conditioning system is to take place in an outdoor air at 10 degrees celcius and 30% 0f relative humidity at a steady rate of 45 m^3/min and to condition it to 25 degrees ce
Human Factor : The human factor is the key factor in the success of CAD system. This concerns the training of the designer or the engineer without whom the CAD system become
(a) How is specific gravity of electrolyte (battery water) measured and what should be the value of specific gravity? (b) How would you measure battery voltage and what is its reco
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