iter structural design criteria for in-vessel components (sdc-ic)

ITER G 74 MA 8 01-05-28 W0.2
B3030 Applicable rules - Flow of analysis...........................................................................................35
B3031 Master flow charts for satisfying design rules.....................................................................35
B 3040 Rules for the prevention of excessive deformation affecting functional adequacy ................36
BÊ3050 Negligible thermal creep test.....................................................................................................36
B 3100 LOW TEMPERATURE RULES...................................................................................................37
B 3101 Negligible irradiation-induced creep test.............................................................................37
B 3200 Rules for the prevention of M type damage ..................................................................................38
B 3211 Immediate plastic collapse and plastic instability ...............................................................38
B 3211.1 Elastic analysis (Immediate plastic collapse and plastic instability)..........................38
B 3211.1.1 Bending shape factor ...........................................................................................38
B 3211.2 Elasto-plastic analysis (Immediate plastic collapse)...................................................39
B 3212 Immediate plastic flow localization .....................................................................................39
B 3212.1 Elastic analysis (Immediate plastic flow localization)................................................39
B 3212.2 Elasto-plastic analysis (Immediate plastic flow localization) ....................................40
B 3213 Immediate local fracture due to exhaustion of ductility......................................................40
B 3213.1 Elastic analysis (Immediate local fracture due to exhaustion of ductility)...............40
B 3213.2 Elasto-plastic analysis (Immediate local fracture due to exhaustion of ductility) .....41
BÊ3214 Fast fracture..........................................................................................................................41
B 3214.1 Elastic analysis (Fast fracture)....................................................................................41
B 3214.2 Elasto-plastic analysis (Fast fracture).........................................................................42
B 3300 Rules for the prevention of C type damage (Levels A and C)......................................................42
B 3310 Progressive deformation or ratcheting ......................................................................................42
B 3311 Elastic analysis (Progressive deformation or ratcheting)....................................................42
B 3311.1 3Sm rule........................................................................................................................42
B 3311.2 Bree-diagram rule.........................................................................................................42
B 3312 Elasto-plastic analysis (Progressive deformation or ratcheting).........................................43
B 3320 Time-independent fatigue..........................................................................................................44
B 3322 Limits on fatigue damage .....................................................................................................44
B 3322.1 Calculation of the fatigue usage fraction: V( De).....................................................44
B 3322.2 Estimation of irradiation effects on fatigue usage fraction.........................................44
BÊ3322.2.1 Calculation of fatigue usage fraction - general...................................................44
BÊ3322.2.2 Procedure for estimating the fatigue curve.........................................................45
B 3323. Calculation of equivalent strain range De .........................................................................46
B 3323.1 Elastic analysis (Time-independent fatigue) ..............................................................46
B 3323.1.1 Elastic strain range...............................................................................................46
B 3323.1.2 Corrections for effects of plasticity.....................................................................47
B 3323.1.3 Combining Components......................................................................................51
B 3400 Rules for the prevention of buckling..............................................................................................52
B 3420 Buckling limits...........................................................................................................................52
B 3421 Immediate elasto-plastic instability under monotonic loading ...........................................52
B 3421.1 Elastic analysis (Immediate elasto-plastic instability )...............................................52
B 3421.1.1 Load-controlled buckling limits..........................................................................52
B 3421.1.2 Buckling diagrams...............................................................................................55
B 3421.1.2 Strain-controlled buckling limits ........................................................................60
B 3421.2 Elasto-plastic analysis (Immediate elasto-plastic instability).....................................60
B 3500 High Temperature Rules.................................................................................................................61
BÊ3800 Design Rules for bolted joints........................................................................................................62
BÊ3810 Methods of analysis ...................................................................................................................62
BÊ3811 Elastic analysis......................................................................................................................62
B 3812 Simplified elastic analysis ....................................................................................................63
B 3812.1 Simplified uniaxial analysis.........................................................................................64
B 3812.1.1 Effects of a temperature rise................................................................................65
B 3812.1.2 Effects of an external load applied to the bolted assembly................................66
B 3812.1.3 Effects of an external moment applied to the bolted assembly .........................67
BÊ3813 Elasto-plastic analysis...........................................................................................................69
SDC-IC, Appendix B. Guidelines for Analysis page iv