adminPARAMETRIC MODELS
Parametric models are digital representations of objects or systems that use parameters to define their shape, size and behavior. These models can be modified and updated by changing the values of the parameters.
There are several types of parametric models and they are as follows; geometric, feature based, and equation based parametric models.
Geometric parametric models use geometric parameters like dimensions, angles and curves to define the shape of an object.
Feature based parametric models use features like holes, fillets and chamfers to define the shape of an object.
Equation based parametric models use mathematical equations to define the relationships between parameters and the shape of an object.
The advantages of parametric models are as follows; parametric models can be easily modified and updated by changing the values of the parameters. Parametric models can reduce the time and effort required to create and modify design. Parametric models can ensure accuracy and consistency in design and manufacturing. Parametric models can be used to optimize designs for performance, cost and other factors.
The disadvantages of parametric models are as follows; parametric models can be complex and difficult to create and manage. Parametric models are dependent on the parameters used to define them which can limit their flexibility. Parametric models require significant computational resources to create and analyze.
Parametric models find widespread applications in the following industries; parametric models are used in product design to create and optimize products like consumer goods, industrial equipment and automotive, machine and equipment parts. Parametric models are used in architecture to design and analyze buildings, bridges and other civil infrastructures. Parametric models are used in aerospace engineering to design and optimize aircrafts and spacecraft and their components parts. Parametric models are used in manufacturing to create and optimize production processes.
The future of parametric models is based on the advances and developments of the following technologies; integration of parametric models with artificial intelligence and machine learning systems will enable more efficient, optimized and automated parametric modeling process. Cloud based parametric modeling will enhance collaboration and flexibility on a wider scale thus allowing users to access parametric models from virtually anywhere. Parametric models will be used to design and optimize internet of things devices and systems. Also or in addition Parametric models will be used to design more sustainable products and systems thereby reducing environmental problems to communities.
SOURCES:
- AutoCAD 2022: A comprehensive tutorial by Prof Sham Tickoo.
- Solid works 2022: A power guide by prof Sham Tickoo.
- Computer aided design: The shape of things to come by Alec Cobbe.
- Computer aided geometric design by Gerald Farin.
- Mastering CAD/CAM by Ibrahim Zeid.
NB: some popular parametric software are as follows: Autodesk inventor, solid works, PTC Creo, CATIA, siemens NX, FreeCAD, Fusion 360, openSCAD etc.
