OS-C501

Offshore Standard DNV-OS-C501, November 2013
Contents – Page 11
10.4 3-D progressive failure analysis................................................................................................... 155
10.5 Long term damage considerations ............................................................................................... 155
11 Buckling.................................................................................................................................................. 155
11.1 General......................................................................................................................................... 155
11.2 Buckling analysis of isolated components................................................................................... 155
11.3 Buckling analysis of more complex elements or entire structures .............................................. 156
11.4 Buckling analysis of stiffened plates and shells .......................................................................... 156
11.5 Buckling analysis for sandwich structures................................................................................... 157
12 Partial load-model factor...................................................................................................................... 157
12.1 General......................................................................................................................................... 157
12.2 Connection between partial load-model factor and analytical analysis....................................... 157
12.3 Connection between partial load-model factor and finite element analysis ................................ 157
12.4 Connection between partial load-model factor and dynamic response analysis.......................... 158
12.5 Connection between partial load-model factor and transfer function.......................................... 158
Sec. 10 Component testing .......................................................................................................... 159
1 General ................................................................................................................................................... 159
1.1 Introduction.................................................................................................................................. 159
1.2 Failure mode analysis .................................................................................................................. 159
1.3 Representative samples................................................................................................................ 159
2 Qualification based on tests on full scale components ....................................................................... 160
2.1 General......................................................................................................................................... 160
2.2 Short term properties.................................................................................................................... 160
2.3 Long term properties.................................................................................................................... 160
3 Verification of analysis by testing and updating ................................................................................ 161
3.1 Verification of design assumptions.............................................................................................. 161
3.2 Short term tests ............................................................................................................................ 162
3.3 Long term testing ......................................................................................................................... 162
3.4 Procedure for updating the predicted resistance of a component ................................................ 163
3.5 Specimen geometry - scaled specimen ........................................................................................ 164
4 Testing components with multiple failure mechanisms..................................................................... 165
4.1 General......................................................................................................................................... 165
4.2 Static tests .................................................................................................................................... 165
4.3 Long term tests............................................................................................................................. 165
4.4 Example of multiple failure mechanisms .................................................................................... 166
5 Updating material parameters in the analysis based on component testing ................................... 167
5.1 ...................................................................................................................................................... 167
Sec. 11 Fabrication ...................................................................................................................... 168
1 Introduction ........................................................................................................................................... 168
1.1 Objective...................................................................................................................................... 168
1.2 Quality system ............................................................................................................................. 168
2 Link of process parameters to production machine parameters...................................................... 168
2.1 Introduction.................................................................................................................................. 168
2.2 Process parameters....................................................................................................................... 168
2.3 Production machine parameters................................................................................................... 168
3 Processing steps ..................................................................................................................................... 169
3.1 General......................................................................................................................................... 169
3.2 Raw materials............................................................................................................................... 169
3.3 Storage of materials ..................................................................................................................... 169
3.4 Mould construction ...................................................................................................................... 169
3.5 Resin ............................................................................................................................................ 170
3.6 Producing laminates and sandwich panels................................................................................... 170
3.7 Producing joints ........................................................................................................................... 170
3.8 Injection of resin and cure............................................................................................................ 171
3.9 Evaluation of the final product .................................................................................................... 171
4 Quality assurance and quality control ................................................................................................ 171
4.1 ...................................................................................................................................................... 171
5 Component testing................................................................................................................................. 171
5.1 General......................................................................................................................................... 171
5.2 Factory acceptance test and system integrity test ........................................................................ 171
5.3 Pressure testing of vessels and pipes ........................................................................................... 172
5.4 Other testing................................................................................................................................. 172
5.5 Dimensions .................................................................................................................................. 172
6 Installation ............................................................................................................................................. 173
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