4. B modeling#

4.1. Characteristics of modeling#

Shell element DST

_images/1000137200002ED200000EC8608CAE1BA8D6289E.svg

Cutout:

12 in length

4 in width:

96 stitches TRIA3

with symmetry with respect to axis \(\mathit{Ox}\)

Slender

transversal

\(b\mathrm{/}\mathrm{4t}\mathrm{=}5\)

longitudinal

\(L\mathrm{/}\mathrm{12t}\mathrm{=}20\)

2 load cases

  1. Opposing forces

  2. Forces of the same meaning

Node name:

Point \(A\mathrm{=}\mathit{N1}\)

Point \(C\mathrm{=}\mathit{N65}\)

Point \(E\mathrm{=}\mathit{N39}\)

Point \(B\mathrm{=}\mathit{N13}\)

Point \(D\mathrm{=}\mathit{N53}\)

Point \(F\mathrm{=}\mathit{N27}\)

4.2. Characteristics of the mesh#

Number of knots: 65

Number of meshes and types: 96 TRIA3

4.3. Tested sizes and results#

Charging case

Point

Size and unit

Reference

Reference type

Tolerance

1

\(B\)

Displacement \(\mathit{DZ}(m)\)

—3.537 10—6

“ANALYTIQUE”

0.5%

\(E\)

Displacement \(\mathit{DZ}(m)\)

0

“ANALYTIQUE”

1.0E-12

\(C\)

Displacement \(\mathit{DZ}(m)\)

3.537 10—6

“ANALYTIQUE”

0.5%

\(\mathit{AD}\)

Resultant force \(\mathit{DZ}(N)\)

0

“ANALYTIQUE”

1.0E-8

\(F\)

Moment \(\mathit{DRX}(\mathit{N.m})\)

-1

“ANALYTIQUE”

1.0E -6%

\(F\)

Moment \(\mathit{DRY}(\mathit{N.m})\)

0

“ANALYTIQUE”

1.0E-8

2

\(B\)

Displacement \(\mathit{DZ}(m)\)

1.1059 10—3

“ANALYTIQUE”

1%

\(E\)

Displacement \(\mathit{DZ}(m)\)

1.1059 10—3

“ANALYTIQUE”

1%

\(C\)

Displacement \(\mathit{DZ}(m)\)

1.1059 10—3

“ANALYTIQUE”

1%

\(\mathit{AD}\)

Resultant force \(\mathit{DZ}(N)\)

-2

“ANALYTIQUE”

1.0E -6%

\(F\)

Moment \(\mathit{DRX}(\mathit{N.m})\)

0

“ANALYTIQUE”

1.0E-8

\(F\)

Moment \(\mathit{DRY}(\mathit{N.m})\)

24

“ANALYTIQUE”

1.0E -6%