NUMERICAL SIMULATION OF BLOOD FLOW IN A SAC-TYPE VENTRICULAR ASSIST DEVICE

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FIROUZI FARAMARZ; NAJARIAN SIAMAK; FATOURAEE NASSER

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Seminar Paper

Paper Information

Seminar: IRANIAN CONFERENCE ON BIOMEDICAL ENGINEERING
Year:2004 | Issue:11

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Title

NUMERICAL SIMULATION OF BLOOD FLOW IN A SAC-TYPE VENTRICULAR ASSIST DEVICE

Author(s)

FIROUZI FARAMARZ | NAJARIAN SIAMAK | FATOURAEE NASSER

Keywords

COMPUTATIONAL FLUID DYNAMICS

SIMULATION OF BLOOD FLOW

VENTRICULAR ASSIST DEVICE

SAC-TYPE BLOOD PUMP

PULSATILE FLOW

MOVING BOUNDARY

Abstract

IMPLANTABLE DEVICES PRODUCING A PULSATILE FLOW ARE AMONG THE BEST PROTOTYPES OF VENTRICULAR ASSIST DEVICE. SINCE THESE DEVICES ARE IMPLANTED FOR A LONG TERM PERIOD THEY ARE SUPPOSED NOT TO DAMAGE BLOOD CELLS. IN THE PRESENT RESEARCH, IMPLANTABLE SAC TYPE VENTRICULAR ASSIST DEVICE PRODUCING THE PULSATILE FLOW WAS NUMERICALLY SIMULATED USING COMPUTATIONAL FLUID DYNAMICS (CFD) METHOD. WE HAVE ATTEMPTED TO CONSIDER THE GEOMETRY AS MUCH SIMILAR AS TO THE REAL MODEL. CONSERVATION OF MASS AND MOMENTUM EQUATIONS WERE SOLVED BY A TIME DEPENDENT FINITE ELEMENT METHOD; HOWEVER, IN THE SET OF EQUATIONS, THE MOVING BOUNDARY ANALYSIS CAPABILITY IS NECESSARY. THE RESULTS CONSIST OF FLOW PATTERN IN EACH PHASE, PATH LINE THROUGH THE WHOLE CYCLE, AND SHEAR RATE DISTRIBUTION IN THE FLUID. USEFUL VORTICITIES, WHICH REDUCE THE LOW VELOCITY REGION, WERE APPEARED IN THE FLOW DOMAIN. THESE RESULTS DEMONSTRATED A GOOD COMPREHENSION OF FLUID FLOW BEHAVIOR OF SUCH A COMPLEX PHENOMENON.

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APA: Copy

FIROUZI, FARAMARZ, NAJARIAN, SIAMAK, & FATOURAEE, NASSER. (2004). NUMERICAL SIMULATION OF BLOOD FLOW IN A SAC-TYPE VENTRICULAR ASSIST DEVICE. IRANIAN CONFERENCE ON BIOMEDICAL ENGINEERING. SID. https://sid.ir/paper/906398/en

Vancouver: Copy

FIROUZI FARAMARZ, NAJARIAN SIAMAK, FATOURAEE NASSER. NUMERICAL SIMULATION OF BLOOD FLOW IN A SAC-TYPE VENTRICULAR ASSIST DEVICE. 2004. Available from: https://sid.ir/paper/906398/en

IEEE: Copy

FARAMARZ FIROUZI, SIAMAK NAJARIAN, and NASSER FATOURAEE, “NUMERICAL SIMULATION OF BLOOD FLOW IN A SAC-TYPE VENTRICULAR ASSIST DEVICE,” presented at the IRANIAN CONFERENCE ON BIOMEDICAL ENGINEERING. 2004, [Online]. Available: https://sid.ir/paper/906398/en

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