Understanding regional mechanics of rat myocardia by fitting hyperelastic constitutive models

F Nemavhola, H Ngwangwa, T Pandelani, N Davies… - 2021 - researchsquare.com
Background: Availability of biaxial mechanical data for heart myocardia remains high in
demand for the development of accurate and detailed computational models. Lack of …

Understanding regional mechanics of rat myocardia by fitting hyperelatsic models

F Nemavhola, H Ngwangwa, T Pandelani, N Davies… - 2021 - researchsquare.com
Availability of biaxial mechanical data for heart myocardia remains high in demand for the
development of accurate and detailed computational models. The aim of this study is to …

[HTML][HTML] Determination of cross-directional and cross-wall variations of passive biaxial mechanical properties of rat myocardia

H Ngwangwa, F Nemavhola, T Pandelani, M Msibi… - Processes, 2022 - mdpi.com
Heart myocardia are critical to the facilitation of heart pumping and blood circulating around
the body. The biaxial mechanical testing of the left ventricle (LV) has been extensively …

FITTING OF HYPERELASTIC CONSTITUTIVE MODELS IN DIFFERENT SHEEP HEART REGIONS BASED ON BIAXIAL MECHANICAL PROPERTIES

F Nemavhola, T Pandelani, H Ngwangwa - bioRxiv, 2021 - biorxiv.org
Heart failure remains one of the leading causes of death especially among people over the
age of 60 years worldwide. To develop effective therapy and suitable replacement materials …

A novel micro-to-macro approach for cardiac tissue mechanics

SMH Haddad, A Samani - Computer methods in BiomeChaniCs …, 2017 - Taylor & Francis
For studying cardiac mechanics, hyperelastic anisotropic computational models have been
developed which require the tissue anisotropic and hyperelastic parameters. These …

On modeling the in vivo ventricular passive mechanical behavior from in vitro experimental properties in porcine hearts

N Laita, RM Rosales, M Wu, P Claus, S Janssens… - Computers & …, 2024 - Elsevier
Myocardium passive mechanical response has been a major topic of study for decades due
to its major impact on cardiac physiology. Here, we propose a novel modeling methodology …

A computational model of the left ventricle biomechanics using a composite material approach

SMH Haddad, A Samani - International Journal of Engineering Science, 2017 - Elsevier
Several computational models are available for studying cardiac mechanics. These models
incorporate tissue passive/active response in conjunction with hyperelasticity and …

Correlating with Local Variation in Collagen Level and Mechanical Properties of the Heart Tissues

T Tavangar - 2021 - search.proquest.com
The determination of the myocardium's tissue properties is essential in constructing finite
element (FE) models of the heart. To obtain accurate results, especially for functionally …

[HTML][HTML] Fitting of hyperelastic constitutive models in different sheep heart regions based on biaxial mechanical tests

F Nemavhola, T Pandelani, H Ngwangwa - Russian journal of …, 2022 - ered.pstu.ru
Heart failure remains one of the leading causes of death especially among people over the
age of 60 years worldwide. To develop effective therapy and suitable replacement materials …

Mathematical modeling of biomechanical elastic and hyperelastic properties of the myocardium

SA Muslov, YA Vasyuk, AI Zavialova… - Medical academic …, 2023 - journals.eco-vector.com
BACKGROUND: The study of mechanical properties of biological tissues is extremely
informative and is one of the most important areas of biomechanics. Knowledge of these …