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Computer Aided Welding Design

Computer Aided Welding Design - The ultimate goal of welding design is, to join the structural or mechanical parts within the prescribed conditions and constraints without any adverse residual effects from the welding process. The comprehensive design concept covers almost all engineering principles and can be presented in the following ways.

Welding Design in a Broad Sense
This concept refers to a procedure that starts with material selection and continues through several steps including process selection, joint design, weld size determination, welding fabrication, nondestructive evaluation and economic analysis and creates a welded structure or machine.
The four areas in welding engineering welding process and control, welding metallurgy, welding design and non destructive evaluation represent the view of welding design in a broad sense.

Welding Design in a Narrow Sense
The concept of welding design in a narrow sense refers to the combining of various mechanical disciplines to create a structure that is proportioned and then detailed into its final shape using a set of scale drawings.

The designers start with a given material and design stress level specified by codes, and carry out the process of detailing and proportioning members to carry the given loads without exceeding the allowable stress.

They select a suitable welding process to join the members and assume "perfect fabrication" in that the connections have no significant physical or metallurgical nonhomogeneities.

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