Techniques for Parallel Adaptivity

نویسنده

  • P K Jimack
چکیده

This paper considers the main algorithmic issues associated with developing parallel mesh adaptivity software for use with tetrahedral-based parallel nite element or nite volume solvers for transient computational mechanics problems in three space dimensions. Issues that are addressed include the use of diierent parallel data structures, the modiication of these data structures when adaptivity occurs and the dynamic maintenance of load-balance in the parallel solver.

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Applications of Multigrid Techniques in CFD

We present a discussion of the application of multigrid techniques to a range of nonlinear problems in CFD that require state-of-the-art numerical methods to be applied in order to obtain accurate and efficient solutions. These include combining multigrid with mesh adaptivity for phase-change problems, a parallel implementation of multigrid for a thin film flow problem, and a p-version of multi...

متن کامل

Parallel Program/Component Adaptivity Management

Grid computing platforms require to handle dynamic behaviour of computing resources within complex parallel applications. We introduce a formalization of adaptive behaviour that separates the abstract model of the application from the implementation design. We exemplify the abstract adaptation schema on two applications, and we show how two quite different approaches to adaptivity, the ASSIST e...

متن کامل

Review of techniques for improving the uniformity of dose distribution in total body irradiation (TBI) with parallel – opposed anterior and posterior geometry

      Total body irradiation (TBI) is a kind of external beam radiotherapy which is used in conjunction with chemotherapy with the purpose of immunosuppression before bone marrow transplantation. As recommended by AAPM dose distribution uniformity in TBI is very important and dose variation must be within ±10% of prescription dose. Patients treatment geometry for TBI techniques fall into two co...

متن کامل

An abstract schema modeling adaptivity management

Nowadays, component application adaptivity in Grid environments has been afforded in different ways, such those provided by the Dynaco/AFPAC framework and by the ASSIST environment. We propose an abstract schema that catches all the designing aspects a model for parallel component applications on Grid should define in order to uniformly handle the dynamic behavior of computing resources within ...

متن کامل

An hp-Adaptive Minimum Action Method Based on a Posteriori Error Estimate

In this work, we develop an hp-adaptivity strategy for the minimum action method (MAM) using a posteriori error estimate. MAM plays an important role in minimizing the Freidlin-Wentzell action functional, which is the central object of the Freidlin-Wentzell theory of large deviations for noise-induced transitions in stochastic dynamical systems. Because of the demanding computation cost, especi...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:

دوره   شماره 

صفحات  -

تاریخ انتشار 1998