Luca Dassa – 23/02/2015 1 / 8 CRAB cavities meeting Preload Bolt size (1) Shear load: 602 N (p=0.26 MPa) -> Min preload: 2006 with Static friction coefficient:

Slides:

Advertisements

Similar presentations

FEA Reference Guide See additional material herehere.

Advertisements

FE analysis with shell and axisymmetric elements E. Tarallo, G. Mastinu POLITECNICO DI MILANO, Dipartimento di Meccanica.

Fastening (more complex shapes = better function)

Analysis of Beams in Bending ( )

Circular Plates Moments acting on an element of a deformed circular plate.

Slide HALLD TAGGER MAGNET STRUCTURAL ANALYSIS Presented by William Crahen 6/10/09 Pole Plate analysis Vacuum chamber analysis Vacuum chamber tie rods and.

MICE Collaboration Meeting at Frascati, Jun 26~29, 2005 Iron Shield Mounting Design Stephanie Yang.

ME221Lecture 281 ME 221 Statics Lecture #28 Section 7.4.

DEFLECTIONS (Chapter 8) WHY? FACTORS IN DESIGN Safety Esthetics Serviceability Environment Economy DETERMINACY Determinate Structures Equations of Equilibrium.

Leaning objectives Axial Stress

Structure Analysis I. Lecture 8 Internal Loading Developed in Structural Members Shear & Moment diagram Ch.4 in text book.

ME221Lecture 271 ME 221 Statics Lecture #27 Section 7.4.

Analysis of Basic Load Cases Axial Stress

Copyright © 2011 Pearson Education South Asia Pte Ltd

FE calculations for the bolted helium vessel May 6th 2015

LHC CRAB CAVITY He Tank DQW Prototype P.Freijedo-Menendez C.Zanoni L.Giordanino R.Leuxe.

Luca Dassa – 01/05/ / 5 CRAB cavities meeting Bolts Titanium Grade 6 bolts Jeveka has found a supplier They say the cost is very high but on offer.

Beams Beams: Comparison with trusses, plates t

Luca Dassa – 02/03/ / 8 CRAB cavities meeting Bolt size (1) We are dealing with material where Yield strength and tensile strength are very close!

Static and Fatigue Bolt Design

PIPE FEA USING ANSYS.

1 RF-Structures Mock-Up FEA Assembly Tooling V. Soldatov, F. Rossi, R. Raatikainen

PROBLEM mm x y 800 mm P = 1500 N z y 50 mm 100 mm

FOUNDATION DESIGN.

WORKSHEET 2 FAILURE, STRESS AND STRAIN

D. Passarelli, M. Merio, L. Ristori, B. Wands March 13, 2012

Multiple Coil Lift Calculation. Purposes of the Study  To investigate the stress distribution in the MCWF and the lifting device.  To make sure mounting.

Tutorial 3: Plane Beam.

Analyses of Bolted Joint for Shear Load with Stainless Steel Bushing and Frictionless Shim-Flange Interface Two cases of shim plates were investigated.

CHAPTER OBJECTIVES Analyze the stress developed in thin-walled pressure vessels Review the stress analysis developed in previous chapters regarding axial.

Strength of Materials Outline Overview AXIALLY LOADED MEMBERS THIN-WALLED CYLINDER GENERAL STATE OF STRESS PLANE STRESS + MOHR’S CIRCLE PLANE STRAIN +

Analyses of Bolted Joint for Bolt Preload and Shear Load

INTRODUCTION SUPPORT STRUCTURSE FORCE - LONGITUDINAL FORCE - TRANSVERS

Isolated footing with axial load and moment

SiD Platform Deformation Studies John Amann ILC Mechanical Engineering 11/21/06.

Lecture # 21 This chapter serves as a review of the stress analysis that has been developed in the previous chapters regarding axial load, torsion, bending.

Mechanics of Materials

Copyright Kaplan AEC Education, 2005 Mechanics of Materials Outline Overview AXIALLY LOADED MEMBERS, p. 262 Modulus of Elasticity Poisson’s Ratio Thermal.

Simulation of the CLIC Compressor Cavity, Luca Dassa (EN-MME/ES)10/04/ di 10 Simulation of CLIC Pulse Compressor Cavity Report, April 10th, 2013.

Bushing Material The bushings are made of G11CR. However, it has been shown that deflections (and bolt stresses) due to shear loads not reacted by friction.

Luca Dassa – 23/03/ / 9 CRAB cavities meeting Stress linearization Analysis performed on the sub-model (with previous remarks) I think that in any.

Page 1 Stress Analysis Design by analysis : EN :2002 Annex C Used tuning analysis model with uniformly thick cavity: Fabrication model is thicker.

Nonlinear Analyses of Modular Coils and Shell structure for Coil Cool-down and EM Loads Part 1 – Results of Shell Structure and Modular Coils H.M. Fan.

CESL Hotel Unique – Toronto Chris O’Brien Eric Fraser Scotia Mabury

FEM Analysis of the Stage3 Support Frame H.M. Fan March 14, 2007.

Review of Cavity Load Cases and relevant analysis L. Dassa and C. Zanoni feat. N. Kuder 08/02/2016.

60 kN 100 kN 130 kN Q.1 Determine the magnitude, sense, and direction of the resultant of the concurrent force system below

Tate Bischoff & Joe Osborn.  Axial load of 500lbs  2in diameter shaft.

Analysis of TF Load Paths and Vacuum Vessel Loading H. M. Fan Jan. 22, 2009.

EC3 VERIFICATION SCIAENG® EC3 VERIFICATION SCIAENG® SPECIAL THANKS TO ALL INVOLVED D. ALVAREZ FEITO J.C. BATISTA LOPES C. BAULT O. BELTRAMELLO A.CATINACCIO.

TUNERS FOR SRF CAVITIES A Comparative Study – Mechanical Characteristics Presented by N. Dhanaraj.

The HiLumi LHC Design Study is included in the High Luminosity LHC project and is partly funded by the European Commission within the Framework Programme.

3 Steel structures 3 Steel structures. If you have any doubts, you can check your textbook, pp

Calculations for the bolted helium vessel February 2nd 2015 Norbert Kuder, EN/MME.

1. Two rods, one of nylon and one of steel, are rigidly connected as shown in Fig. P.1.2. Determine the stresses and axial deformations when an axial load.

NSTX Supported by NSTX Centerstack Upgrade Project Meeting

Fredrik Fors Mechanical Engineering, JLab 04/22/2016

Preliminary analysis for the dressed LHC RF cavity (2) April 28th 2016 – EDMS L. Dassa, L. Mettler.

CASE STUDY – Combined Loading

Hot-Stamped Boron Steel Sheets

Fredrik Fors Mechanical Engineering, JLab 09/29/2016

CRAB cavities Cryomodule review Tuner

Eccentric Connections in Steel Structures

Mechanical Concept MOLDFLOW KOREA

Ch. 2: Fundamental of Structure

Max-Cut a b Edges cut: 8 w c d e 1.

EML 2023 – Stress Analysis Lecture 1 – Stress State.

Screw and screw selection

Copyright ©2014 Pearson Education, All Rights Reserved

Mechanics of Materials Engr 350 – Lecture 39 What’s On the Final Exam?

Presentation transcript:

Luca Dassa – 23/02/ / 8 CRAB cavities meeting Preload Bolt size (1) Shear load: 602 N (p=0.26 MPa) -> Min preload: 2006 with Static friction coefficient: 0.3 Shear load: 602 N (p=0.26 MPa) -> Min preload: 6020 with Static friction coefficient: 0.1

Luca Dassa – 23/02/ / 8 CRAB cavities meeting AXIAL + BENDING + SHEAR Pressure: 2.6 bara (0.26 MPa) / Vessel weight / Static friction coefficient: 0.3 Shear load: 602 N Bending moment (16.5 mm) = 4964 Nmm / Bending moment (11.2 mm) = 3369 Nmm Bolt size (2)

Luca Dassa – 23/02/ / 8 CRAB cavities meeting ONLY SHEAR Pressure: 2.6 bara (0.26 MPa) / Vessel weight / Static friction coefficient: 0.3 Shear load: 602 N Bolt size (3)

Luca Dassa – 23/02/ / 8 CRAB cavities meeting FEA: Frictionless (coarse mesh) Shear on bolts Bending moment on bolts WARNING: p=0.18 MPa Warning: overloaded bolts beyond elastic limit! Bolt size (4)

Luca Dassa – 23/02/ / 8 CRAB cavities meeting Deformation on the weld seam Max def = around 0.1 mm Bolt size (5)

Luca Dassa – 23/02/ / 8 CRAB cavities meeting Report Load cases

Luca Dassa – 23/02/ / 8 CRAB cavities meeting Weld seam sizing (long edge) Bolt cover