Elasto-plastic stability analysis of the frame structures using the tangent modulus approach
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This paper presents the procedure for stability analysis of frames in elastic-plastic domain using the concept of the tangent modulus. When the buckling of structure occurs in plastic domain, it is necessary to replace the constant modulus of elasticity E with the tangent modulus Et. Tangent modulus is stress dependent function and takes into account the changes of the member stiffness in the inelastic range. Formulation of the corresponding stiffness matrices is based upon the solution of the equation of bending of the beam according to the second order theory. Numerical analysis was performed using the code ALIN, developed in the C++ programming language.
Ključne reči:
stability of structures / elastic-plastic analysis / tangent modulusIzvor:
Applied Mechanics and Materials, 2015, 725-726, 869-874Izdavač:
- Trans Tech Publications, Switzerland
Finansiranje / projekti:
- Razvoj i primena sveobuhvatnog pristupa projektovanju novih i proceni sigurnosti postojećih konstrukcija za smanjenje seizmičkog rizika u Srbiji (RS-MESTD-Technological Development (TD or TR)-36043)
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GraFarTY - JOUR AU - Ćorić, Stanko AU - Brčić, Stanko AU - Vatin, Nikolai PY - 2015 UR - https://grafar.grf.bg.ac.rs/handle/123456789/2857 AB - This paper presents the procedure for stability analysis of frames in elastic-plastic domain using the concept of the tangent modulus. When the buckling of structure occurs in plastic domain, it is necessary to replace the constant modulus of elasticity E with the tangent modulus Et. Tangent modulus is stress dependent function and takes into account the changes of the member stiffness in the inelastic range. Formulation of the corresponding stiffness matrices is based upon the solution of the equation of bending of the beam according to the second order theory. Numerical analysis was performed using the code ALIN, developed in the C++ programming language. PB - Trans Tech Publications, Switzerland T2 - Applied Mechanics and Materials T1 - Elasto-plastic stability analysis of the frame structures using the tangent modulus approach EP - 874 SP - 869 VL - 725-726 DO - 10.4028/www.scientific.net/AMM.725-726.869 ER -
@article{ author = "Ćorić, Stanko and Brčić, Stanko and Vatin, Nikolai", year = "2015", abstract = "This paper presents the procedure for stability analysis of frames in elastic-plastic domain using the concept of the tangent modulus. When the buckling of structure occurs in plastic domain, it is necessary to replace the constant modulus of elasticity E with the tangent modulus Et. Tangent modulus is stress dependent function and takes into account the changes of the member stiffness in the inelastic range. Formulation of the corresponding stiffness matrices is based upon the solution of the equation of bending of the beam according to the second order theory. Numerical analysis was performed using the code ALIN, developed in the C++ programming language.", publisher = "Trans Tech Publications, Switzerland", journal = "Applied Mechanics and Materials", title = "Elasto-plastic stability analysis of the frame structures using the tangent modulus approach", pages = "874-869", volume = "725-726", doi = "10.4028/www.scientific.net/AMM.725-726.869" }
Ćorić, S., Brčić, S.,& Vatin, N.. (2015). Elasto-plastic stability analysis of the frame structures using the tangent modulus approach. in Applied Mechanics and Materials Trans Tech Publications, Switzerland., 725-726, 869-874. https://doi.org/10.4028/www.scientific.net/AMM.725-726.869
Ćorić S, Brčić S, Vatin N. Elasto-plastic stability analysis of the frame structures using the tangent modulus approach. in Applied Mechanics and Materials. 2015;725-726:869-874. doi:10.4028/www.scientific.net/AMM.725-726.869 .
Ćorić, Stanko, Brčić, Stanko, Vatin, Nikolai, "Elasto-plastic stability analysis of the frame structures using the tangent modulus approach" in Applied Mechanics and Materials, 725-726 (2015):869-874, https://doi.org/10.4028/www.scientific.net/AMM.725-726.869 . .