نتایج جستجو برای: bioheat transfer

تعداد نتایج: 290764  

Journal: :Medical physics 2014
George C Bourantas Mehdi Ghommem George C Kagadis Konstantinos Katsanos Vassilis C Loukopoulos Vasilis N Burganos George C Nikiforidis

PURPOSE The dynamic mode decomposition (DMD) method is used to provide a reliable forecasting of tumor ablation treatment simulation in real time, which is quite needed in medical practice. To achieve this, an extended Pennes bioheat model must be employed, taking into account both the water evaporation phenomenon and the tissue damage during tumor ablation. METHODS A meshless point collocati...

2015
Ze-Wei Zhang Hui Wang Qing-Hua Qin

A meshless numerical scheme combining the operator splitting method (OSM), the radial basis function (RBF) interpolation, and the method of fundamental solutions (MFS) is developed for solving transient nonlinear bioheat problems in two-dimensional (2D) skin tissues. In the numerical scheme, the nonlinearity caused by linear and exponential relationships of temperature-dependent blood perfusion...

2016
Alberto Coccarelli Etienne Boileau Dimitris Parthimos Perumal Nithiarasu

In the present work, an elaborate one-dimensional thermofluid model for a human body is presented. By contrast to the existing pure conduction-/perfusion-based models, the proposed methodology couples the arterial fluid dynamics of a human body with a multi-segmental bioheat model of surrounding solid tissues. In the present configuration, arterial flow is included through a network of elastic ...

2017
Rama Bhargava Harish Chandra

Cryosurgery has been consistently used as an effective treatment to eradicate irregular tumor tissues. During this process, many difficulties occur such as intense cooling may also damage the neighboring normal tissues due to the release of large amount of cold from the cooling probe. In order to protect the normal tissues in the vicinity of target tumor tissues, coolant was released in a regul...

2008
Marek Paruch M. Paruch

In this paper the finite element method is used for the numerical simulation of two dimensional transient bioheat transfer process in the human eye. The human eye is modelling as a composition of several homogeneous regions. On the outer surface the heat radiation is assumed, on the inner surface the Robin condition is accepted. In the final part of the paper the results of computations are sho...

Journal: :Renewable & Sustainable Energy Reviews 2021

Abstract The current bioenergy uses and conversion technologies as well future trends for the production of heat, power, fuels chemicals from biomass are reviewed. focus is placed in Austria, which selected due to its high utilization, providing 18.4% gross energy final consumption 2017, strong industrial scientific position field. most common application Austria bioheat with 170 PJ 2017 mainly...

Journal: :International journal of innovative technology and exploring engineering 2022

In this research paper, the simulation based modelling of heat transfer in tissue under periodic boundary condition has been considered. The dual phase lag bioheat (DPLBHT) model is implemented for computation temperature thermal therapy treatment. elements volumetric source such as perfusion blood, metabolism and external are considered nonlinear DPL model. paper we have taken three cases meta...

Journal: :Thermal science and engineering progress 2022

• Overview of the mathematical basis and historical development thermography as a supplementary technique for breast cancer detection. numerical simulation detection bioheat transfer equation, employed tool thermography. methods techniques Artificial Intelligence that were used to detect based on obtained thermograms. Highlights simulations problems cancer. Further early using Intelligence. Bre...

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