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Design and Applied Technology (Secondary 4-6)

3D virtual model showing the major parts of a Toy Truck

(f) Simulation

Simulation by CAD software can be used to simulate and evaluate the performance of a

product or a component of a product. Quantitative and qualitative information of the

performance, such as under a bending load, of the tested object can be collected through

mathematical methods. Normally, Computer Aided Evaluation (CAE) is used to test the

performance of a product or component using a CAD model through simulation; CAE, thus,

enables engineers to analyse the test data so as to optimize the lowest material cost and

product target performance.

(Reference: www.vif.tugraz.at)

(g) Rapid Prototype (RP)

RP usually involves diverse technologies. It may transfer CAD data to physical modelling

machines using stereo lithography and other materials, such as photopolymers, thermoplastic,

waxes, and heat sensitive sheet materials.

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