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| is the conception and communication of an idea |
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| An Engineering design is a ________ |
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| series of events that lead to a result |
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| Deals with how something looks, feels (hard to quantify) |
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| more concerned with performance with little attention to aesthetics |
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| 1. Problem Identification 3. Design Refinement 4. Analysis 6. Documentation |
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Traditional Engineering Design Process
1.________ 2.Preliminary Ideas 3.________ 4.________ 5.Optimization 6. ________ |
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| 1.Problem Identification 2.Preliminary Ideas |
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| The formulation, conception, and configuration stages of the design process |
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| 3. Design Refinement 4. Analysis 5. Optimization |
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| This is a iterative process b/c the first design is never "good enough" |
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| The Traditional in Traditional Engineering refers to the ___________ of these steps |
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| Problem Identification Phase |
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| In this phase we attempt to understand the complexities and subtleties of the problem, determine customer and company requirements, and prepare an engineering design specification |
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| In this phase we synthesize a variety of candidate working principles or concepts and their abstract embodiment's |
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| During the ________ phase, alternate configurations are synthesized and analyzed. |
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| the arrangement of individual components (layout) |
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| Concurrent Engineering Model |
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| Involves all areas of the business from the beginning to end. Better results, higher quality product, with fewer manufacturing problems, and shorter cycle times |
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Concurrent Engineering Process
a. Ideation b. Refinement c. Implementation |
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| All 3 steps of the process ______,______, and ______ are overlapping, a total enterprise effort from the beginning |
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| _________ engineering is the infrastructure that optimizes the concurrent engineering process |
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1. Large assembly visualizations
2. Packaging analysis
3. Tolerance analysis
4. CAE analysis(structure, thermal, flow, dynamic) |
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Definition
CAD models can be used for:
1._________ 2.______ 3._______ 4.______ |
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| A physical representation of the product, can be full size or scaled |
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| a prototype purely for aesthetic purposes. 3D-CAD model used to create a physical model through using stereo-lithography |
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Definition
| All aspects of the engineering design process are carried out _______ |
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| Product Data Management(PDM) |
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Definition
Designs are modeled, simulated digitally with engineering specifications, manufacturing, and
fabrication information included. This is made possible through the use of CAD, and networks with ____ software |
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| Product Life Cycle Management(PLM) |
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Definition
| Total electronic data solution which allows the team to create, simulate, share and communicate digitally |
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Definition
Allows for better collaboration within a business and from business to business
• Discover problems earlier(when they are easier and less costly to fix)
• Cut costs and time to market
• Quick to react to market change |
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| Corporate Intellectual Capital (CIC) |
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Definition
| Is the sum of all of the knowledge a company attains as a result of the design engineering process. PLM is a means to retain this knowledge |
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Product definition
Product history
Best Practice |
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Definition
| Corporate Intellectual Capital (CIC) includes: __________,__________,__________ |
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Definition
Info related to how product was
designed, manufactured, delivered, supported |
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| Info related to previous versions, legal info, etc. |
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| Info related to experience as a result of the process, documenting pitfalls and successes |
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Term
1. Modification of an existing design
2. Improvement of an existing design
3. "New" design |
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Definition
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| Modification of an Existing Design |
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Definition
Aesthetics and human factors are
usually the driving force
Ex:Frito Lay changing the Sun Chips packaging.Involves materials, manufacturing, marketing |
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| Improvement of an existing design |
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Definition
| More complicated than a mod. Aesthetics and some change in the functionality Stay relevant, improve manufacturing, cut production costs |
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Definition
| From the ground up, involves all 3 stages of the Engr. design process |
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Definition
| _______ is the initial step in the design process where the idea for the design is conceived. |
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Clearly define the prob.
Preliminary ideas
Preliminary designs |
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Definition
| A structured approach to the Ideation phase is 1. 2. 3. |
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| Sum. prob.->info on customer needs (marketing), benchmark the completion, feasibility studies->List to accomplish->constraints on the project->Time management |
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Definition
Steps to Problem Identification:
Problem Statement->Research/Data Gathering->Objectives->Limitations->Schedule |
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Definition
| Once problem is characterized its time for ____________. Takes constraints into account. Brainstorming session without criticism. Expand on ideas. Develop simple sketches/models |
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Definition
| Project leader chooses the __________ from the list of possible designs that have models and simple analysis |
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Definition
| Repeating process where preliminary design is further developed and analyzed. Must meet objectives defined in ideation phase |
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Term
1. Modeling
2. Design Analysis
3. Design Visualization |
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Definition
| 3 Steps of the Refinement Phase |
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Definition
| Representation of an idea through images and text |
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Definition
| __________ model = visualize the form of an idea |
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Definition
| __________ model = foresees the behavior of the designed product or process |
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Definition
| Use of mathematical equations to predict some physical phenomenon |
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| Finite element analysis (FEA) |
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Definition
| _____________ method uses software to numerically solve differential equations to analyze structural, thermal, and flow behavior |
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Definition
| Physical model of the product or process, used to judge aesthetics, ergonomics, property analysis. Popular before the advent of 3D-mod. tech. |
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Definition
| The user is immersed in an environment where they can interact (some or all senses) with the product or process |
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Definition
imprecise modeling used to visualize
behavior of the product/process |
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| used to predict the physical behavior of the design of the product/process |
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Definition
| Evaluation of design based on criteria developed during the implementation stage |
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Definition
Evaluates the physic prop. of the components of the design. (str,w,size,vol,center of gravity,center of rotation)
Need accurate material prop. to perform |
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Definition
calculates motions, loads, stress,
strain, of rigid and deformable bodies based on boundary conditions and material properties entered |
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Definition
studies the motion without
considering the loads (position, velocity, acceleration, angular
velocity and acceleration) |
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Definition
studies the loads that creates the
motion |
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Definition
defines individual parts and
assembles them according to geometry, velocity |
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Definition
-characterizes the look and feel of a product
-judged by industrial designers, consumers (focus groups)
-hard to quantify |
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| Judges cost, appearance, profitability, marketability, and safety |
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Definition
| Team presents progress in PowerPoint format to company management, usually held 1/4 differs. |
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| Final stage of the design process. consists of: Planning, Production, Marketing, Finance, Service, Documentation |
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| When product designs are finalized, group of manufacturing engineers and technicians plan best way to move from design to finished product. Approaches: CAPP, JIT, MRP |
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| Transform design and raw materials into finished product, reqs. engr drawings, specs, BOM (bill of materials). CAD can be used to layout the factory floor and simulate the assembly process |
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| Responsible for finding customer base, facilitates the movement of products from the producer to the purchaser |
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| Estimates and plans the flow of cash receipts and expenditures, controls cash flow, profitable? est. ROI(return on investment |
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| customer support of product/process, installation, training, maintenance, repair, call center, websites, manuals |
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The process of formally recording and
communicating the final design solution. The corporate memory of the design |
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| Production Models and Drawings |
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| These are multi-viewed dimensioned drawings and assembly drawings used for production |
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| Written, chronological write up of the design process |
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| the right to exclude others from making, using or selling, issued by the Fed. Gov. Encourages sharing of tech adv. last 17 yrs |
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Definition
| Once the drawings and other technical documents are created they must be managed in a systematic fashion. Organized and accessible for team members |
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| (EDM) Engineering Data Management |
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Definition
| software used to track all electronic documents related to the design, browser interface |
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| (PDM) Product Data Management |
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Definition
| product centric, focuses on planning and purchasing of materials for the product, several comps. connected on a network linked to a server that contains this software |
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