Studied by 36 people
Aesthetic models
A model developed to look and feel like the final product.
Animation
The ability to link graphic screens together in such a way as to
simulate motion or a process.
Bottom-up modelling
A designer creates part geometry independent of the assembly or any other component. Although there are often some design criteria established before modelling the part, this information is not shared between models. Once all parts are completed, they are brought together for the first time in the assembly.
Computer-Aided Design (CAD)
The use of computers to aid the design process.
Conceptual modelling
A model that exists in the mind used to help us know and understand ideas.
Data Modelling
A model that determines the structure of data.
Digital human
Computer simulation of a variety of mechanical and biological aspects
of the human body.
Fidelity
The degree to which a prototype is exactly like the final product.
Finite element analysis (FEA)
The calculation and simulation of unknown factors in products using CAD systems. For example, simulating the stresses within a welded car part.
Formal drawing techniques
A type of drawing technique that has fixed rules, the most widely used being isometric projection and perspective drawing.
Fused deposition modelling (FDM)
A 3D printing technique that places melted layers of material on a bed to build up a 3D model.
Graphical models
A visualization of an idea, often created on paper or through software,
in two or three dimensions.
Haptic technology
Haptic technology is an emerging technology that interfaces the user
via the sense of touch.
Instrumented models
Prototypes that are equipped with the ability to take measurements to provide accurate quantitative feedback for analysis.
Laminated object manufacturing (LOM)
A system that virtually slices a 3D CAD model into thin layers, then cuts out each layer from a roll of material using a laser or plotter cutter. The layers can then be glued in the correct order to create a 3D model.
Mock-ups
A scale or full-size representation of a product used to gain feedback
from users.
Motion capture
The recording of human and animal movement by any means, for example, by video, magnetic or electro-mechanical devices.
Part drawings
Orthographic drawings of the components of an assembly containing
details just about that component.
Perspective
A set of formal drawing techniques that depicts an object as getting smaller and closer together the further away they are. The techniques
drawings
are one-point perspective, two-point perspective, and three-point
perspective.
Physical modelling
The creation of a smaller or larger tangible version of an object that
can be physically interacted with.
Projection drawings
Systems of drawings that are accurately drawn, the two main types are isometric projection (formal drawing technique) and orthographic projection (working drawing technique).
Prototypes
A sample or model built to test a concept or process, or to act as an object to be replicated or learned from. Prototypes can be developed at a range of fidelity and for different contexts.
Scale drawings
Drawings that are bigger or smaller than the real product, but exactly
in proportion with product.
Scale models
A model that is either a smaller or larger physical copy of an object.
Selective laser sintering (SLS)
An additive manufacturing technique that uses a laser to fuse small particles of material into a mass that has a desired 3D shape.
Sketches
Rough drawings of ideas used to convey or refine the idea.
Solid modelling
Solid models are clear representations of the final part. They provide a
complete set of data for the product to be realized.
Stereo-lithography
A modelling technique that creates 3D models layer-by-layer by hardening molecules of a liquid polymer using a laser beam.
Surface modelling
A realistic picture of the final model, offering some machining data. Surface models contain no data about the interior of the part.
Top-down modelling
“Top down” design is a product development process obtained through 3D, parametric and associative CAD systems. The main feature of this new method is that the design originates as a concept and gradually evolves into a complete product consisting of components and sub-assemblies.
Virtual prototyping
Photorealistic CAD-based interactive models that use surface and solid modelling. They can be considered 'digital mock-ups'.
Virtual reality (VR)
The ability to simulate a real situation on the screen and interact with
it in a near-natural way.
Working drawings
Drawings that are used to guide the production of a product, most commonly orthographical projection, section drawings, part drawings, assembly drawings and plan drawings.
Assembly line production
A volume production process where products and components are moved continuously along a conveyor. As the product goes from one work station to another, components are added until the final product is assembled.
Automated production
A volume production process involving machines controlled by computers
Computer numerical control (CNC)
Refers specifically to the computer control of machines for the purpose of manufacturing complex parts in metals and other materials. Machines are controlled by a program commonly called a “G code”. Each code is assigned to a particular operation or process. The codes control X, Y, Z movements and feed speeds.
Continuous flow
A production method used to manufacture, produce or process
materials without interruption.
Craft production
A small-scale production process centred on manual skills.
Design for assembly
Designing taking account of assembly at various levels, for example, component to component, components into sub-assemblies and subassemblies into complete products.
Design for manufacture
Designers design specifically for optimum use of existing manufacturing capability.
Laminated object manufacture (LOM)
A rapid prototyping systems that creates a 3D product by converting it into slices, cutting the slices out and joining the slices together.
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