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HI, I saw a Anti Roll Bar of a truck getting crack at the middle of its arm portion. It happened due to the service load for the Anti Roll Bar. No external forces acted on the bar. Normally the ARB will induce high stress at the corner region on both ends ( i.e. the joining zone of horizontal and vertical lines in the below image. It is marked by blue colour exclamatory mark). So it is obvious that the crack may occur at this corner region. But in this bar, the crack occurred at the middle of arm portion of ARB, vertical line. ( It is marked by a horizontal line in red colour). Can anyone suggest me the possible reason for the crack to happen at this location? Bush Bush !-------------------------------------------------------------------! ! ! ! ! ------------- !-------------- ! ! ! ! ! Reagrds, Benjamin Franklin F, Ashok Leyland, Tamilnadu, India. The information contained in this communication is privileged, confidential and proprietary, and is intended for the sole use of/by the addressee. Usage by anyone other than the addressee is misuse and infringement to Proprietorship of Ashok Leyland Ltd. If you are not the intended recipient, you are hereby notified that any dissemination, distribution or copying of this email or any action or omission taken by you in reliance on it, is strictly prohibited and may be unlawful. If you have received this email in error, please contact the sender by reply mail and destroy all copies of the original message.

On Jun 28, 2022, at 2:04 AM, Benjamin F Franklin (CAE-METHODS & STRU) via Xansys <xansys-temp@list.xansys.org> wrote: > > Can anyone suggest me the possible reason for the crack to happen at this location? You haven't described the loading or the boundary conditions, so the reason could be any damn thing. For example a simply supported beam under a uniform load has no moment at the ends and the largest moment is at mid-span. If the beam ends are restrained moments can develop at the ends. Construct a free body diagam of your model with external loads and calculated reactions shown and verify the equilibrium of your model. You'll see how the internal stresses develop. Never forget your statics again. (If you were working for me, I guarantee you wouldn't… ;->) Christopher Wright P.E. (ret'd) |"They couldn't hit an elephant at chrisw@skypoint.com | this distance" (last words of Gen. | John Sedgwick, Spotsylvania (1864) http://www.skypoint.com/members/chrisw/