Application Skills of BIM Technology in Highway Engineering Design Stage

2021 ◽  
Keyword(s):  
Engineering Design ◽  
Design Stage ◽  
Highway Engineering

scholarly journals How Concept Selection Tools Impact the Development of Creative Ideas in Engineering Design Education

2018 ◽  
Vol 140 (5) ◽  
Author(s):  
Xuan Zheng ◽  
Sarah C. Ritter ◽  
Scarlett R. Miller
Keyword(s):  
Decision Making ◽  
Engineering Design ◽  
Design Education ◽  
Cognitive Biases ◽  
Design Stage ◽  
Concept Selection ◽  
Engineering Design Education ◽  
Student Teams ◽  
The Impact ◽  
Selection Tools

Concept selection tools have been heavily integrated into engineering design education in an effort to reduce the risks and uncertainties of early-phase design ideas and aid students in the decision-making process. However, little research has examined the utility of these tools in promoting creative ideas or their impact on student team decision making throughout the conceptual design process. To fill this research gap, the current study was designed to compare the impact of two concept selection tools, the concept selection matrix (CSM) and the tool for assessing semantic creativity (TASC) on the average quality (AQL) and average novelty (ANV) of ideas selected by student teams at several decision points throughout an 8-week project. The results of the study showed that the AQL increased significantly in the detailed design stage, while the ANV did not change. However, this change in idea quality was not significantly impacted by the concept selection tool used, suggesting other factors may impact student decision making and the development of creative ideas. Finally, student teams were found to select ideas ranked highly in concept selection tools only when these ideas met their expectations, indicating that cognitive biases may be significantly impeding decision making.

Developing methodologies for robust mechanical engineering design

1997 ◽  
Vol 211 (3) ◽  
pp. 179-188 ◽  
Author(s):  
W Dunsmore ◽  
G Pitts ◽  
S M Lewis ◽  
C J Sexton ◽  
C P Please ◽  
...  
Keyword(s):  
Engineering Design ◽  
Product Performance ◽  
Design Stage ◽  
Design Parameters ◽  
Cam Mechanism ◽  
Detail Design ◽  
Functional Reliability ◽  
Computer Based ◽  
Industrial Context

This paper considers robust product design applied to mechanical systems via computer-based models at the detail design stage. This involves the efficient use of computer-based experiments to understand how product performance, both its mean and variability, depends on the design parameters. The integration of the general concepts and practical tools is described in terms of the design process, with the aim of making the techniques accessible to designers in an industrial context. The approach is motivated from a design for quality standpoint and is directed principally at improving functional reliability, while addressing issues of performance and cost. The approach is illustrated using a case study on the robust design of a cam mechanism.

TORQUE DETERMINATION OF A FACE MAGNETIC COUPLING AT THE ENGINEERING DESIGN STAGE

2020 ◽  
pp. 27-31
Author(s):  
A. Ya. Krasilnikov ◽  
A. A. Krasilnikov
Keyword(s):  
Engineering Design ◽  
Electric Motor ◽  
Permanent Magnets ◽  
Mathematical Expression ◽  
Magnetic Coupling ◽  
Design Stage ◽  
Torsional Moment ◽  
Phase Shift Angle ◽  
The Face ◽  
Highly Coercive Permanent Magnets

In article the determination possibility of the transferring torsional moment of the face magnetic coupling with highly coercive permanent magnets is considered. The received mathematical expression allows at a stage of the engineering design to define the transferring torsional moment of the face magnetic coupling depending on the asynchronous electric motor maximum torque data given by the directory on electric motors, and to calculate a phase shift angle of semicouplings taking into account their inertia moments, driven and slave rotating masses of machine, the operating torques of the electric motor, magnetic coupling and the machine itself on the stages of documentation development work.

Contrasting Function With Affordance in Design for Additive Manufacturing

2017 ◽  
Author(s):  
Hyunwoong Ko ◽  
Seung Ki Moon
Keyword(s):  
Additive Manufacturing ◽  
Engineering Design ◽  
Conceptual Design ◽  
Design Method ◽  
Design Stage ◽  
Design Phase ◽  
Conceptual Design Phase ◽  
User Centric ◽  
Design Freedom ◽  
Mass Personalization

Additive Manufacturing (AM)’s advance from rapid prototyping to the end-of-use products inevitably challenges conventional design theories and methodologies. Especially while adopting systematic engineering design methodologies to design for AM (DfAM), it is essential to develop new design methods that explore the new design space enabled by AM’s design freedom from the early design stage. To address the challenge, this study provides a new design framework and a design method for modeling AM-enabled product behaviors in the conceptual design phase of DfAM. Firstly, this study contrasts function-based methods with affordance-based methods. The device-centric, form independent and input/output-based transformative properties of the function-based methods such as function decompositions have strengths in modeling product’s internal behaviors. However, the function-based methods show limitations in the new area of AM-enabled mass personalization which requires design approaches for representing user-centric structural design requirements acquired only by AM’s design freedom. On the other hand, the affordance-based methods can address the function-based methods in DfAM due to their user-centric (artifact-user interactive), form dependent and non-transformative properties. After the contradiction, we propose an affordance-based DfAM framework and an affordance structure as a formal modeling technique for AM-enabled personalized product behaviors. A case study of a trans-tibial prosthesis socket provides an illustration in this study. The contribution of the study is in developing a design method for the conceptual design phase of DfAM that fulfills the objectives of achieving AM-enabled mass personalization with systematic engineering design approaches.

Fuzzy Ratings in Mechanical Engineering Design—Application to Bearing Selection

1996 ◽  
Vol 210 (1) ◽  
pp. 49-53 ◽  
Author(s):  
Y H Chen
Keyword(s):  
Engineering Design ◽  
Design Automation ◽  
Fuzzy Numbers ◽  
Weighted Average ◽  
Design Stage ◽  
Design Elements ◽  
Fuzzy Weighted Average ◽  
Design Alternatives ◽  
Abstract Level

In the preliminary stage of engineering design, descriptions of design elements are often imprecise. In this paper, imprecision is represented using fuzzy numbers. Calculation based on fuzzy weighted average is performed to produce the ratings among design alternatives. Alternatives then proceed to the more detailed design stage in the fuzzy rating order. This method provides a tool for design automation at a higher abstract level. This is demonstrated in the bearing selection case study where imprecise linguistic description of a design problem in a manner similar to human language can be accommodated.

Study of Metamodeling Techniques and Their Applications in Engineering Design

1999 ◽  
Author(s):  
Nanxin Wang ◽  
Ping Ge
Keyword(s):  
Engineering Design ◽  
Computing Time ◽  
Simulation Models ◽  
Surrogate Models ◽  
Design Stage ◽  
Academic Field ◽  
Early Design ◽  
Early Design Stage ◽  
Linear Partial Differential Equations ◽  
Design Alternatives

Abstract Physics based or mechanistic simulation models are frequently used in current engineering design to generate, evaluate and validate designs in order to shorten the design cycle time and reduce the cost. It often involves solving a set of none linear partial differential equations, which usually requires a lot of computing time to search for a solution. It can not satisfy the need to explore more design alternatives in the early design stage. Metamodeling is an active academic field and is attracting increased attention from the industry. Surrogate models built with the metamodeling techniques provide faster analysis alternatives to the mechanistic models. Using these surrogate models in the early design stage allows engineers to explore more design alternatives with less development time and therefore has the potential to enable better engineering decision to produce quality products for reduced cost. In this paper, we review the existing metamodeling techniques including design of experiments, response surface methodologies, machine learning, and kriging. The paper also documents the results of the performance evaluation of several different metamodeling tools using a vehicle greenhouse example.

Study on Efficient Approach on Cost Control in the Stage of Architecture Engineering Design

2011 ◽  
Vol 328-330 ◽  
pp. 1022-1025
Author(s):  
Cai Yun Cui ◽  
Yong Liu ◽  
Ning Yu
Keyword(s):  
Engineering Design ◽  
Cost Control ◽  
Construction Cost ◽  
Value Engineering ◽  
Design Stage ◽  
Efficient Approach

In allusion to the significance of design stage to cost control in the engineering and based on analyze present problems in the design stage, it is a feasible way to put forward four efficient approaches in the design stage to control construction cost including quota design, design biding, value engineering and standardized.

Research on Modal Simulation and Experiment of a Radar Active Fixing-Board

2013 ◽  
Vol 397-400 ◽  
pp. 304-310
Author(s):  
Shou Wu Hou ◽  
Ya Lan Wu
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Engineering Design ◽  
Phased Array ◽  
Vibration Characteristics ◽  
Design Stage ◽  
Modal Parameters ◽  
Phased Array Radar ◽  
Simulation And Experiment ◽  
Bearing Structure

As a major force-bearing structure of Active Phased Array Radar, the Active Fixing-boards vibration characteristics should be investigated in the engineering design stage and the prototype stage. In this paper, Finite Element Method (FEM) is used for modal simulation and the detailed modal experiment is used to analyze the modal parameters of the first 6 modes. The results show that the modal parameters calculated by FEM agree well with those by modal experiment.

Application of Value Engineering in Optimizing Design Scheme of Highway Engineering

2011 ◽  
Vol 71-78 ◽  
pp. 436-439 ◽  
Author(s):  
Hui Hong Feng ◽  
Xiao Ping Ding
Keyword(s):  
Comprehensive Analysis ◽  
Value Engineering ◽  
Design Stage ◽  
Project Investment ◽  
Highway Engineering ◽  
Optimal Scheme ◽  
Investment Control ◽  
Advantages And Disadvantages ◽  
Design Scheme ◽  
Optimizing Design

Design stage is the key stage of investment control in highway engineering. The advantages and disadvantages of design scheme quality will directly influence the whole effect of project investment and application. This paper applies value engineering to compare the technical economy of design schemes of highway engineering, comprehensive analysis the conditions of function and cost to optimize the optimal scheme, and verify the reliability of application value engineering in optimizing design scheme of highway engineering by actual engineering example.

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