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Geometric algorithms and software ar...

Wilson, Nathan Marshall.

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Geometric algorithms and software architecture for computational prototyping: Applications in vascular surgery and MEMS.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Geometric algorithms and software architecture for computational prototyping: Applications in vascular surgery and MEMS./
作者:	Wilson, Nathan Marshall.
面頁冊數:	254 p.
附註:	Source: Dissertation Abstracts International, Volume: 64-03, Section: B, page: 1462.
Contained By:	Dissertation Abstracts International64-03B.
標題:	Engineering, Mechanical. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3085242

Geometric algorithms and software architecture for computational prototyping: Applications in vascular surgery and MEMS.
Wilson, Nathan Marshall.

Geometric algorithms and software architecture for computational prototyping: Applications in vascular surgery and MEMS. - 254 p.

Source: Dissertation Abstracts International, Volume: 64-03, Section: B, page: 1462.

Thesis (Ph.D.)--Stanford University, 2003.

Traditionally, engineers have constructed and tested physical prototypes to create new devices and improve on existing, designs. Since the advent of digital computing over 50 years ago, significant efforts have been underway to supplement (and in some cases replace) the need for physical prototypes with computational prototypes created and simulated on a computer. Most of the commercially available design software systems existing today originated in support of the automotive, aerospace, defense, and semiconductor industries thus making it difficult to apply these existing systems in new application areas such as medicine.Subjects--Topical Terms:

783786
Engineering, Mechanical.

Geometric algorithms and software architecture for computational prototyping: Applications in vascular surgery and MEMS.
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245 1 0 $a Geometric algorithms and software architecture for computational prototyping: Applications in vascular surgery and MEMS.
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500 $a Source: Dissertation Abstracts International, Volume: 64-03, Section: B, page: 1462.
500 $a Adviser: Charles A. Taylor.
502 $a Thesis (Ph.D.)--Stanford University, 2003.
520 $a Traditionally, engineers have constructed and tested physical prototypes to create new devices and improve on existing, designs. Since the advent of digital computing over 50 years ago, significant efforts have been underway to supplement (and in some cases replace) the need for physical prototypes with computational prototypes created and simulated on a computer. Most of the commercially available design software systems existing today originated in support of the automotive, aerospace, defense, and semiconductor industries thus making it difficult to apply these existing systems in new application areas such as medicine.
520 $a This dissertation details a general, extensible, modular software framework developed for computational prototyping. The framework integrates the three major stages in computational prototyping: creating geometry, discretization, and numerical simulation. To highlight the versatility and extensibility of the framework, two specific applications were demonstrated.
520 $a The first area of application of the software framework was in the field of vascular surgery. When planning a surgical procedure to restore blood flow to the lower extremities for a given patient, vascular surgeons rely primarily on intuition and past experience to develop a surgical plan. In this work, a surgical planning system was developed enabling a vascular surgeon to create and test alternative operative plans prior to surgery for a given patient. Hemodynamic (i.e. blood flow) simulations were performed for the operative plans for two aorto-femoral bypass patients and compared with actual postoperative data. The information that can be obtained from hemodynamic simulation (e.g. wall shear stress) may be clinically relevant to future vascular surgeons planning surgical interventions.
520 $a The software framework was also extended for use in computational prototyping of microelectro-mechanical systems (MEMS). While MEMS are often constructed utilizing integrated-circuit fabrication techniques, the size and aspect ratios of typical MEM structures differ significantly from those traditionally found in the VLSI community. In this work, geometric algorithms were developed to incorporate two- and three-dimensional process simulation from VLSI to construct three-dimensional geometric models for simulation-based design of MEM devices with particular emphasis given to geometric modeling of a radio-frequency microswitch.
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