Marine Structural Design Episode 15 potx

... Product Design Rosato, D, V., Design Features That Influence Performance: Detractors, SPE- Rosato, D. V., Designing with Plastics, MD&DI, pp. 26-29, July 1983. Rosato, D. V., Designing ... Island School of Design, Lectures Rosato, D. V., Designing with Plastics, RISD, 19841992. Rosato, D. V., Designing with Plastics, SPE-IMD Newsletter, 1970-2001. Rosato, D. V., Designing...

Ngày tải lên: 13/08/2014, 17:20

... of marine structural design have been developed: Level 1: Design by rules Level 2: Design by analysis Level 3: Design based on performance standards Until the 1970’s, structural design ... combinations is the first step in marine structural design. For structural design and analysis, a structural engineer needs to have basic concepts of waves, motions and...

Ngày tải lên: 14/03/2014, 16:20

... research Integrated design concepts Appropriate Quality Assurance for structural design, detailing and execution QA is a very important overhead necessity, also for lifetime-oriented design concepts, ... Figures 4 .152 Time-dependentevolution of the failure probabilityofcritical material points in the weldingregion and the bulkmaterial 612 4 .153 Optimization model 613 4 .154 Optimizat...

Ngày tải lên: 01/07/2014, 10:43

... − S l p l K s  ∂S l ∂p l + φS l K l + S l (b −φS l ) K s  −1 (3 .152 ) see [705, 493] for a similar formulation. For cementitious materials, expression (3 .152 ) can be replaced by M ≈  φ ∂S l ∂p l  −1 . (3 .153 ) In the special case ... −ψ K K s   p c S l (p c )dp c 1 −AT, (3 .157 ) the following definition of the elastic effective stress tensor σ e = ψC C C :(ε −ε p − ε f ) − AT, (3 .1...

Ngày tải lên: 01/07/2014, 10:43

... aforemen- tioned design variables, optimization criterion and constraints: • design variables x i ,i=1, 2, 3, ,n representing the vital parameters of a structural system, concentrated in the design vector ... reported here. 4.5 Optimization and Design Authored by Dietrich Hartmann As demonstrated in Section 4.1.4 structural design problems can be trans- formed into equivalent s...

Ngày tải lên: 01/07/2014, 10:43

... Implementation 51 0152 0 0 100 200 300 400 500 Fig. 4.110. Singular values f 1 =4.74,h r =15. 0mm f 1 =4.60,h r =7.5mm - 0.20 0.00 0.20 0.40 -0.20 -0 .15 -0.10 -0.05 0.00 0.05 0.10 0 .15 0.20 Fig. 4.111. ... Methodological Implementation f 4 = 162.58,h r =15. 0mm f 4 = 160.52,h r =7.5mm - 0.20 0.00 0.20 0.40 -0.20 -0 .15 -0.10 -0.05 0.00 0.05 0.10 0 .15 0.20 Fig. 4.114. 4’th eigenfreque...

Ngày tải lên: 01/07/2014, 10:43

... eliminate these nodes at the structural level by a static condensation technique to achieve a better condition of the matrices and a better perfor- mance at the structural level [245]. The number ... is indicated by the ratio of the total number of system nodes/dof. The structural efficiency and the combined fieldwise and structural efficiency for a truss structure is Eff u struc = NN u p,1...

Ngày tải lên: 01/07/2014, 11:20

... the review article of [ 215] ), CMS techniques with fixed inter- faces have been developed within the scope of reduction methods for large structural dynamic models and the design of single dynamical ... junctions. 498 4 Methodological Implementation u [ mm ] F [ kN ] 0.3 5 0.30.250.20 .150 .10.050 350 300 250 200 150 100 50 0 Fig. 4.94. Numerical investigation of crack propagation of an...

Ngày tải lên: 01/07/2014, 11:20

... age of 28 days (Figure 4 .158 ). At first, these results seem to be in contrast to the typical stress-strain relations of laboratory concrete at an age of 28 days (Figure 4 .158 ). In the latter, the ... age of 28 days (solid lines) [193] 4.6 Application of Lifetime-Oriented Analysis and Design 631 E(f ck ) = 2150 0 ·  f ck +8 10  1 3 (4.432) f ct (f ck )=1.40 ·  f ck 10  2 3 (4.433) 4.6...

Ngày tải lên: 01/07/2014, 11:20

... engineering. The inclusion of the basic principles of tribology, as well as tribodesign, within an engineering design course generally does not place too great an additional burden on students, ... descriptive, qualitative way. It is felt that this approach is very important for a designer who, by the nature of the design process, is interested in the prediction of performance rathe...

Ngày tải lên: 13/08/2014, 05:21