Designing Design Processes for Integrated Materials and Products Realization: A Multifunctional Energetic Structural Material Example

2006 ◽  
Author(s):  
Jitesh H. Panchal ◽  
Hae-Jin Choi ◽  
Janet K. Allen ◽  
David L. McDowell ◽  
Farrokh Mistree
Keyword(s):  
Structural Material ◽  
Design Process ◽  
Value Of Information ◽  
Integrated Design ◽  
Simulation Models ◽  
Interaction Patterns ◽  
Model Design ◽  
Design Processes ◽  
Information Metrics ◽  
Sufficient Strength

We present an approach for the integrated design of materials, products, and design processes. The approach is based on the use of reusable interaction patterns to model design processes, and the consideration of design process decisions using the value of information metrics. The approach is presented using a multifunctional energetic structural materials (MESM) design example. The design objectives in the example include sufficient strength and energy release capabilities. The design is carried out by using simulation models at different scales that model different aspects of the system. Preliminary results from the application of the approach to the MESM design problem are discussed. In this paper, we show that the integrated design of materials and products can be carried out more efficiently by considering the design of design processes.

Managing Design Process Complexity: A Value-of-Information Based Approach for Scale and Decision Decoupling

2007 ◽  
Author(s):  
Jitesh H. Panchal ◽  
Christiaan J. J. Paredis ◽  
Janet K. Allen ◽  
Farrokh Mistree
Keyword(s):  
Design Process ◽  
Value Of Information ◽  
Cooling System ◽  
Design Decision ◽  
Interaction Patterns ◽  
Functional Requirements ◽  
Design Processes ◽  
A Value ◽  
Complex Design ◽  
The Impact

Design processes for multiscale, multifunctional systems are inherently complex due to the interactions between scales, functional requirements, and the resulting design decisions. While complex design processes that consider all interactions lead to better designs; simpler design processes where some interactions are ignored are faster and resource efficient. In order to determine the right level of simplification of design processes, designers are faced with the following questions: a) how should complex design-processes be simplified without affecting the resulting product performance? and b) how can designers quantify and evaluate the appropriateness of different design process alternatives? In this paper, the first question is addressed by introducing a method for determining the appropriate level of simplification of design processes — specifically through decoupling of scales and decisions in a multiscale problem. The method is based on three constructs: interaction patterns to model design processes, intervals to model uncertainty resulting from decoupling of scales and decisions, and value of information based metrics to measure the impact of simplification on the final design outcome. The second question is addressed by introducing a value-of-information based metric called improvement potential for quantifying the appropriateness of design process alternatives from the standpoint of product design requirements. The metric embodies quantitatively the potential for improvement in the achievement of product requirements by adding more information for design decision making. The method is illustrated via a datacenter cooling system design example.

Managing Design-Process Complexity: A Value-of-Information Based Approach for Scale and Decision Decoupling

2009 ◽  
Vol 9 (2) ◽  
Author(s):  
Jitesh H. Panchal ◽  
Christiaan J. J. Paredis ◽  
Janet K. Allen ◽  
Farrokh Mistree
Keyword(s):  
Design Process ◽  
Value Of Information ◽  
Cooling System ◽  
Design Decision ◽  
Interaction Patterns ◽  
Functional Requirements ◽  
Design Processes ◽  
A Value ◽  
Complex Design ◽  
The Impact

Design-processes for multiscale, multifunctional systems are inherently complex due to the interactions between scales, functional requirements, and the resulting design decisions. While complex design-processes that consider all interactions lead to better designs, simpler design-processes where some interactions are ignored are faster and resource efficient. In order to determine the right level of simplification of design-processes, designers are faced with the following questions: (a) How should complex design-processes be simplified without affecting the resulting product performance? (b) How can designers quantify and evaluate the appropriateness of different design-process alternatives? In this paper, the first question is addressed by introducing a method for determining the appropriate level of simplification of design-processes—specifically through decoupling of scales and decisions in a multiscale problem. The method is based on three constructs: interaction patterns to model design-processes, intervals to model uncertainty resulting from decoupling of scales and decisions, and value-of-information based metrics to measure the impact of simplification on the final design outcome. The second question is addressed by introducing a value-of-information based metric called the improvement potential for quantifying the appropriateness of design-process alternatives from the standpoint of product design requirements. The metric embodies quantitatively the potential for improvement in the achievement of product requirements by adding more information for design decision-making. The method is illustrated via a datacenter cooling system design example.

Design Process Elicitation Through the Evaluation of Integrated Model Structures

1999 ◽  
Author(s):  
David R. Wallace ◽  
Shaun M. Abrahamson ◽  
Nicholas P. Borland
Keyword(s):  
Product Design ◽  
Design Process ◽  
Integrated Design ◽  
Lead Times ◽  
Software Module ◽  
Design Processes ◽  
Design Structure ◽  
Service Relationships ◽  
Design Resources ◽  
High Level

Abstract Refinement of product design processes is recognized as a means for organizations to impact lead times, cost, and quality. Although methods such as the design structure matrix (DSM) exist to analyze design processes, their applications have been limited by overhead in collecting data and maintaining accurate representations. Representation timeliness and resolution issues have typically led to static, high-level process views. In this work, the design process is derived dynamically from an evolving network of design resources inter-related by service dependencies. This network is created to simulate the state of a product design. Through the analysis of resulting dependencies, high-resolution networks of task and parameter interdependency can be extracted. A software module is developed to provide the service of automatically extracting and analyzing the structure of service exchanges in integrated design models. The module provides a matrix or DSM visualization of service relationships and mechanisms to sort resources according to service priority. This allows for realtime evaluation of design processes as models of the product evolve, providing information to guide the strategic addition of resources.

Designing Design Processes in Product Lifecycle Management: Research Issues and Strategies

2004 ◽  
Author(s):  
Jitesh H. Panchal ◽  
Marco Gero Ferna´ndez ◽  
Christiaan J. J. Paredis ◽  
Janet K. Allen ◽  
Farrokh Mistree
Keyword(s):  
Design Process ◽  
Integrated Design ◽  
Product Family ◽  
Product Lifecycle Management ◽  
Product Platform ◽  
Product Lifecycle ◽  
Research Issues ◽  
Design Processes ◽  
Resource Commitment ◽  
Lifecycle Management

Product Lifecycle Management (PLM) promises to further a holistic consideration of product design, emphasizing integration, interoperability, and sustainability throughout a product’s lifecycle. Thus far, efforts have focused on addressing lifecycle concerns from a product-centric perspective by exploiting the reusability and scalability of existing products through product platform and product family design. Not much attention has been paid to leveraging the design process and its design in addressing lifecycle considerations, however. In striving for sustainability, it is the design process that should be considered to constitute an engineering enterprise’s primary resource commitment. In this paper, an overview of the challenges inherent in designing design processes is provided. These challenges are subsequently illustrated with regard to several design scenarios of varying complexity, using an example involving the design of Linear Cellular Alloys. A distinction is made between product related requirements/goals and design process related requirements/goals. Requirements, research issues, and strategies for addressing the diverse needs of modeling design processes from a decision-centric perspective are established. Finally, key elements for enabling the integrated design of products and their underlying design processes in a systematic fashion are provided, motivating the extension of PLM to include the lifecycle considerations of design processes, thereby moving towards Design Process Lifecycle Management (DPLM).

scholarly journals A Standard Process for Sustainable Design

2015 ◽  
Vol 10 (2) ◽  
Keyword(s):  
Design Process ◽  
High Performance ◽  
Architectural Design ◽  
Sustainable Design ◽  
Integrated Design ◽  
Exploratory Research ◽  
Design Processes ◽  
Building Information ◽  
Integrated Design Process ◽  
High Performance Buildings

This exploratory research examined the degree of adoption and impact of the concepts of Building Information Model (BIM), Integrated Project Delivery (IPD), Integrated Design Process (IDP) and Building Energy Simulation (BES) on the design processes of advanced architectural firms when executing sustainable design. Six offices identified by the press and peers’ recognition for a strong commitment to sustainable design and influence in the design of high performance buildings were selected. In semi-standardized interviews, these firms presented their perceptions of the influence of BIM, BES, and IPD/IDP. The results show that a generalization of sustainable design processes is possible. A design process for sustainability (DEPROSU) model was created by collecting best practices from data gathered from the interviews and the critical literature review. This research provides evidence of commonalities found in the design processes of the selected firms. These commonalities represented in the DEPROSU model can potentially be validated as protocols or standards for sustainable design, providing architectural design practices with concrete patterns for improvement and or validation of their design methods.

Designing Embodiment Design Processes Using a Value-of-Information-Based Approach With Applications for Integrated Product and Materials Design

2008 ◽  
Author(s):  
M. Messer ◽  
J. H. Panchal ◽  
J. K. Allen ◽  
F. Mistree ◽  
V. Krishnamurthy ◽  
...  
Keyword(s):  
Design Process ◽  
Value Of Information ◽  
Performance Indicator ◽  
Materials Design ◽  
Process Performance ◽  
Photonic Crystal Waveguides ◽  
Design Processes ◽  
Embodiment Design ◽  
A Value ◽  
Systematic Strategy

Designers are continuously challenged to manage complexity in embodiment design processes (EDPs), in the context of integrated product and materials design. In order to manage complexity in design processes, a systematic strategy to embodiment design process generation and selection is presented in this paper. The strategy is based on a value-of-information-based Process Performance Indicator (PPI). The approach is particularly well-suited for integrated product and materials design, and all other scenarios where knowledge of a truthful, i.e., perfect, design process and bounds of error are not available in the entire design space. The proposed strategy is applied to designing embodiment design processes for photonic crystal waveguides in the context of a next-generation optoelectronic communication system. In this paper, it is shown that the proposed strategy based on the Process Performance Indicator is useful for evaluating the performance of embodiment design processes particularly when accuracy of the prediction or the associated error bounds are not known.

Causing a Stir

2019 ◽  
Vol 2 (1) ◽  
Author(s):  
Camilo POTOCNJAK-OXMAN
Keyword(s):  
Design Process ◽  
Collaborative Design ◽  
Entrepreneurial Activity ◽  
Design Team ◽  
Design Processes ◽  
Early Stages

Stir was a crowd-voted grants platform aimed at supporting creative youth in the early stages of an entrepreneurial journey. Developed through an in-depth, collaborative design process, between 2015 and 2018 it received close to two hundred projects and distributed over fifty grants to emerging creatives and became one of the most impactful programs aimed at increasing entrepreneurial activity in Canberra, Australia. The following case study will provide an overview of the methodology and process used by the design team in conceiving and developing this platform, highlighting how the community’s interests and competencies were embedded in the project itself. The case provides insights for people leading collaborative design processes, with specific emphasis on some of the characteristics on programs targeting creative youth

Roles of externalisation activities in the design process

2016 ◽  
Vol 11 (1) ◽  
pp. 34
Author(s):  
Maral Babapour Chafi
Keyword(s):  
Design Process ◽  
Design Research ◽  
Research Literature ◽  
Physical Models ◽  
Future Research ◽  
Knowledge Gaps ◽  
Design Processes ◽  
Digital Modelling

Designers engage in various activities, dealing with different materials and media to externalise and represent their form ideas. This paper presents a review of design research literature regarding externalisation activities in design process: sketching, building physical models and digital modelling. The aim has been to review research on the roles of media and representations in design processes, and highlight knowledge gaps and questions for future research.

scholarly journals Explicating concepts in reasoning from function to form by two-step innovative abductions

2016 ◽  
Vol 30 (2) ◽  
pp. 125-137 ◽  
Author(s):  
Ehud Kroll ◽  
Lauri Koskela
Keyword(s):  
Conceptual Design ◽  
Design Process ◽  
Abductive Reasoning ◽  
Parameter Analysis ◽  
Critical Examination ◽  
Functional Aspect ◽  
Specific Design ◽  
Design Processes ◽  
Step Process ◽  
Design Reasoning

AbstractThe mechanism of design reasoning from function to form is suggested to consist of a two-step inference of the innovative abduction type. First is an inference from a desired functional aspect to an idea, concept, or solution principle to satisfy the function. This is followed by a second innovative abduction, from the latest concept to form, structure, or mechanism. The intermediate entity in the logical reasoning, the concept, is thus made explicit, which is significant in following and understanding a specific design process, for educating designers, and to build a logic-based computational model of design. The idea of a two-step abductive reasoning process is developed from the critical examination of several propositions made by others. We use the notion of innovative abduction in design, as opposed to such abduction where the question is about selecting among known alternatives, and we adopt a previously proposed two-step process of abductive reasoning. However, our model is different in that the two abductions used follow the syllogistic pattern of innovative abduction. In addition to using a schematic example from the literature to demonstrate our derivation, we apply the model to an existing, empirically derived method of conceptual design called “parameter analysis” and use two examples of real design processes. The two synthetic steps of the method are shown to follow the proposed double innovative abduction scheme, and the design processes are presented as sequences of double abductions from function to concept and from concept to form, with a subsequent deductive evaluation step.

Buildings with environmental quality management, part 2: Integration of hydronic heating/cooling with thermal mass

2017 ◽  
Vol 41 (5) ◽  
pp. 397-417 ◽  
Author(s):  
A Romanska-Zapala ◽  
M Bomberg ◽  
M Fedorczak-Cisak ◽  
M Furtak ◽  
D Yarbrough ◽  
...  
Keyword(s):  
Control Systems ◽  
Design Process ◽  
Architectural Design ◽  
Integrated Design ◽  
Field Performance ◽  
Functional Materials ◽  
Heating System ◽  
Transient Temperature ◽  
Thermal Mass ◽  
Integrated Design Process

The quest for a sustainable built environment brought dramatic changes to architectural design because of the integrated design process. The integrated design process is the modern way to realize “performance architecture,” that is, design with a view to field performance. Integrated design process permits merging of concepts from passive-house designs, solar engineering, and an integration of the building enclosure with mechanical services. In part 1 of this series, the emergence of many new multi-functional materials was discussed. Yet, current innovation is guided by lessons from history. Thermal mass in heavy masonry buildings allowed periodic heating. The authors postulate integration of a hydronic heating system with the walls and the use of smart temperature control of the heating system to modify and optimize the thermal mass contribution. To use the mass of a building, one must accept transient temperature conditions where the indoor temperature varies but is confined by comfort requirements for both summer and winter conditions. On the other side, resiliency requirements dictate that in the absence of electricity the air temperature does not fall below about 12°C over a period of several hours. This requirement implies that summer cooling will likely be separated from the heating systems and that operation of a low-energy building is heavily dependent on the design of smart control systems. Analysis of control systems provided in this article for earth-to-air heat exchangers and cooling of houses with lightweight walls lead us to the requirements of separation between heating and ventilation and needs for different sources of fresh air. Finally, a new concept emerges.

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