Sensitivity analysis and material identification for activated smooth muscle

• Autorzy: Rohan E. , Cimrman R.
• Konferencja: 8th International Conference on Numerical Methods in Continuum Mechanics (September 19-24, 2000 ; Liptovsky Ján, Low Tatras ; Slovakia)
• Języki publikacji: EN

Abstrakty

EN

The paper deals with the problem of material identification for smooth muscle tissue in activated, or passive states. In [1] a composite type mathematical model has been proposed describing the complexity of the tissue reduced to the networks of muscle and collagen fibres. The computational model is based on the total Lagrangian formulation with incompressibility of the bulk material. The problem of inflating vessels is considered in order to allow simulation of real experimental conditions and, thus, to determine constitutive parameters of muscle in active state. These parameters are identified also from hysteresis, or relaxation curves. The direct differentiation, or the adjoint systems techniques are applied to the sensitivity analysis. Results of numerical tests are given.

Słowa kluczowe

EN

sensitivity analysis; Lagrangian formulation; smooth muscle

PL

analiza wrażliwości; wyrażenie Lagrange'a; mięsień gładki

• Wydawca: Instytut Podstawowych Problemów Techniki PAN
• Czasopismo: Computer Assisted Mechanics and Engineering Sciences
• Rocznik: 2002
• Tom: Vol. 9, No. 4
• Strony: 519--541
• Opis fizyczny: Bibliogr. 23 poz., rys., tab., wykr.

Twórcy

autor

Rohan E.

• University of West Bohemia, Faculty of Applied Sciences, Department of Mechanics, 306 14 Plzen, Czech Republic

autor

Cimrman R.

• University of West Bohemia, Faculty of Applied Sciences, Department of Mechanics, 306 14 Plzen, Czech Republic

Bibliografia

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