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Redundant and force-differentiated systems in engineering and nature
KTH, Skolan för teknikvetenskap (SCI), Mekanik, Strukturmekanik.ORCID-id: 0000-0002-5819-4544
KTH, Skolan för teknikvetenskap (SCI), Mekanik, Strukturmekanik.ORCID-id: 0000-0001-6802-8331
2006 (engelsk)Inngår i: Computer Methods in Applied Mechanics and Engineering, ISSN 0045-7825, E-ISSN 1879-2138, Vol. 195, nr 41-43, s. 5437-5453Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Sophisticated load-carrying structures, in nature as well as man-made, share some common properties. A clear differentiation of tension, compression and shear is in nature primarily manifested in the properties of materials adapted to the efforts, whereas they in engineering are distributed on different components. For stability and failure safety, redundancy on different levels is also commonly used. The paper aims at collecting and expanding previous methods for the computational treatment of redundant and force-differentiated systems. A common notation is sought, giving and developing criteria for describing the diverse problems from a common structural mechanical viewpoint. From this, new criteria for the existence of solutions, and a method for treatment of targeted dynamic solutions are developed. Added aspects to previously described examples aim at emphasizing similarities and differences between engineering and nature, in the forms of a tension truss structure and the human musculoskeletal system.

sted, utgiver, år, opplag, sider
2006. Vol. 195, nr 41-43, s. 5437-5453
Emneord [en]
structures, equilibrium, statics, dynamics, mechanisms, rtedundancy, target control, finite-element-analysis, tensegrity structures, model, antenna, shells, reflectors, frameworks, stability, composite, movements
Identifikatorer
URN: urn:nbn:se:kth:diva-15863DOI: 10.1016/j.cma.2005.11.007ISI: 000239190500010Scopus ID: 2-s2.0-33745354669OAI: oai:DiVA.org:kth-15863DiVA, id: diva2:333905
Merknad
QC 20100525Tilgjengelig fra: 2010-08-05 Laget: 2010-08-05 Sist oppdatert: 2017-12-12bibliografisk kontrollert

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