Critical self-weight of inclined variable-arc-length beam under applied tension at support

Name: Karun Klaycham

Organization : Kamphaeng Saen. Faculty of Engineering at Kamphaeng Saen

Email : karun.kl@ku.ac.th

keyword: Variable-arc-length

LCSH: Finite Element Method

LCSH: Loads (Mechanics)

LCSH: Strains and stresses

Abstract: The variable-arc-length (VAL) beam is one of the elastica structure where its tip can slip through the support due to loadings and results in altering the total arc-length quantity. If the load exceeds the critical value, the VAL beam cannot keep its equilibrium. The restraint like applied tension at the support is necessary. This paper investigates the effect of applied tension at support on the large deflection of an inclined VAL beam subjected to uniform self-weight. Two different approaches are utilized to solve the numerical solution i.e., the finite element method and the shooting optimization method. The numerical results obtained from these two methods show a good agreement in comparing to each other. The effects of applied tension and the support inclination on the large deflection of VAL beam have been given attention. The numerical investigation shows that the applied tension and shifting right support down stiffen the inclined VAL beam system and assist to increase its critical load and the beam stability as well. However, it could lose the stability by shifting the support up because of the reducing critical self-weight. The critical self-weight of inclined VAL beam proposed in this study is the new result contributing to literature and could be used as a benchmark for future work

King Mongkut's University of Technology North Bangkok. Central Library

Address: BANGKOK

Email: library@kmutnb.ac.th

Created: 2562

Modified: 2022-04-07

Issued: 2022-04-07

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BibliograpyCitation : ใน มหาวิทยาลัยสารคาม คณะวิศวกรรมศาสตร์ สาขาวิศวกรรมโยธา. การประชุมวิชาการวิศวกรรมโยธาแห่งชาติ ครั้งที่ 24 (NCCE 24) (STR050) อุดรธานี : มหาวิทยาลัยสารคาม

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