The slamming phenomenon often occurs when the bottom of a ship hits the seawater with a relatively high velocity in irregular waves. In extreme sea conditions, the slam-induced dynamic loads can be quite large resulting in local structural damages and/or global deformation of the panels, in particular when ships face head sea waves with high forward speed. In this respect, high-speed vessels are affected by the slamming phenomenon as they are built with thin steel plates or aluminum. The paper presents finite element simulations performed with the explicit ls-dyna solver of an aluminum stiffened plate subjected to extreme slamming loadings so as to evaluate the large plastic deformation and failure of the stiffened plate and the effect of the heat affected zone (HAZ) due to the welding using the mechanical properties of an aluminum alloy grade 5083-H116. The outcomes of this study identify the parameters that have importance when estimating the extent of structural deformation due to slamming loads.

References

References
1.
Wang
,
S.
,
Luo
,
H. B.
, and
Guedes Soares
,
C.
,
2014
, “
Numerical Prediction of Slamming Loads During Water Entry of a Bow-Flared Section
,”
Int. J. Marit. Eng.
,
156
(
Part A4
), pp.
A-303
A-314
.
2.
Wang
,
S.
, and
Guedes Soares
,
C.
,
2018
, “
Simplified Approach to Dynamic Responses of Elastic Wedges Impacting With Water
,”
Ocean Eng.
,
150
, pp.
81
93
.
3.
Wang
,
S.
, and
Guedes Soares
,
C.
,
2016
, “
Experimental and Numerical Study of the Slamming Load on the Bow of a Chemical Tanker in Irregular Waves
,”
Ocean Eng.
,
111
, pp.
369
383
.
4.
Paik
,
J. K.
, and
Duran
,
A.
,
2004
, “
Ultimate Strength of Aluminum Plates and Stiffened Panels for Marine Structures
,”
Mar. Technol.
,
41
(
3
), pp.
108
121
.https://www.ingentaconnect.com/content/sname/mt/2004/00000041/00000003/art00003
5.
Paik
,
J. K.
,
Hughes
,
O. F.
,
Hess
,
P. E.
, and
Renaud
,
C.
,
2006
, “
Ultimate Limit State Design Technology for Aluminum Multi-Hull Ship Structures
,”
SNAME Trans.
,
113
(1), pp.
270
305
.https://orbi.uliege.be/handle/2268/165838
6.
Benson
,
S.
,
Downes
,
J.
, and
Dow
,
R. S.
,
2013
, “
Load Shortening Characteristics of Marine Grade Aluminum Alloy Plates in Longitudinal Compression
,”
Thin Walled Struct.
,
70
, pp.
19
32
.
7.
Benson
,
S.
,
Downes
,
J.
, and
Dow
,
R. S.
,
2013
, “
A Comparison of Numerical Methods to Predict the Progressive Collapse of Lightweight Aluminum Vessels
,”
J. Ship Prod. Des.
,
29
(
3
), pp.
117
126
.
8.
Khedmati
,
M. R.
, and
Pedram
,
M.
,
2014
, “
A Numerical Investigation Into the Effects of Slamming Impulsive Loads on the Elastic-Plastic Response of Imperfect Stiffened Aluminum Plates
,”
Thin Walled Struct.
,
76
, pp.
118
144
.
9.
Cerik
,
B. C.
,
2017
, “
Large Inelastic Deformation of Aluminum Alloy Plates in High-Speed Vessels Subjected to Slamming
,”
J. Mar. Sci. Technol.
,
22
(
2
), pp.
1
12
.
10.
Zha
,
Y.
, and
Moan
,
T.
,
2001
, “
Ultimate Strength of Stiffened Aluminum Panels With Predominantly Torsional Failure Modes
,”
Thin Walled Struct.
,
39
(
8
), pp.
631
648
.
11.
Wang
,
S.
, and
Guedes Soares
,
C.
,
2014
, “
Numerical Study on Hydroelastic Water Entry of a Wedge
,”
Developments in Maritime Transportation and Exploitation of Sea Resources
,
Guedes Soares
,
C.
, and
Lopez Pena
,
F.
, eds.,
Taylor & Francis Group
,
London
, pp.
199
208
.
12.
Wang
,
S.
,
Karmakar
,
D.
, and
Guedes Soares
,
C.
,
2015
, “
Hydroelastic Impact Due to Longitudinal Compression on Transient Vibration of a Horizontal Elastic Plate
,”
Maritime Technology and Engineering
,
Guedes Soares
,
C.
, and
Santos
,
T. A.
, eds.,
Taylor & Francis Group
,
London
, pp.
1073
1080
.
13.
Wang
,
S.
,
Karmakar
,
D.
, and
Guedes Soares
,
C.
,
2016
, “
Hydroelastic Impact of a Horizontal Floating Plate With Forward Speed
,”
J. Fluid. Struct.
,
60
, pp.
97
113
.
14.
Wang
,
S.
, and
Guedes Soares
,
C.
,
2014
, “
Comparison of Simplified Approaches and Numerical Tools to Predict the Loads on Bottom Slamming of Marine Structures
,”
Developments in Maritime Transportation and Exploitation of Sea Resources
,
Guedes Soares
,
C.
, and
Lopez Pena
,
F.
, eds.,
Taylor & Francis Group
,
London
, pp.
157
170
.
15.
Wang
,
S.
, and
Guedes Soares
,
C.
,
2017
, “
Review of Ship Slamming Loads and Responses
,”
J. Mar. Sci. Appl.
,
16
(
4
), pp.
427
445
.
16.
Youngdahl
,
C. K.
,
1970
, “
Correlation Parameters for Eliminating the Effect of Pulse Shape on Dynamic Plastic Deformation
,”
ASME J. Appl. Mech.
,
37
(
3
), pp.
744
752
.
17.
Zhu
,
L.
,
Bai
,
X.
, and
Yu
,
T. X.
,
2017
, “
The Saturated Impulse of Fully Clamped Square Plates Subjected to Linearly Decaying Pressure Pulse
,”
Int. J. Impact Eng.
,
110
, pp.
198
207
.
18.
Bai
,
X.
,
Zhu
,
L.
, and
Yu
,
T. X.
,
2018
, “
Saturated Impulse for Fully Clamped Square Plates Under Blast Loading
,”
Int. J. Mech. Sci.
,
146–147
, pp.
417
431
.
19.
Roy
,
J.
,
Munro
,
B.
,
Walley
,
S.
, and
Hardy
,
A. M.
,
2008
, “
Longitudinal vs Transversely Framed Structures for Large Displacement Motor Yachts
,”
20th International HISWA Symposium on Yacht Design and Yacht Construction
,
Amsterdam, The Netherlands
,
Nov. 17–18
, pp. 1–17.
20.
Hallquist
,
J. O.
,
2006
,
LS-DYNA Theory Manual
,
Livermore Software Technology Corporation
,
Livermore, CA
.
21.
Cerik
,
B. C.
,
2017
, “
Damage Assessment of Marine Grade Aluminium Alloy-Plated Structures Due to Air Blast and Explosive Loads
,”
Thin Walled Struct.
,
110
, pp.
123
132
.
22.
Liu
,
B.
,
Villavicencio
,
R.
, and
Guedes Soares
,
C.
,
2013
, “
Experimental and Numerical Plastic Response and Failure of Laterally Impacted Rectangular Plates
,”
ASME J. Offshore Mech. Arct. Eng.
,
135
(
4
), p.
041602
.
23.
Liu
,
B.
,
Villavicencio
,
R.
, and
Guedes Soares
,
C.
,
2015
, “
Shear and Tensile Failure of Thin Aluminum Plates Struck by Cylindrical and Spherical Indenters
,”
Ships Offshore Struct.
,
10
(
1
), pp.
45
58
.
24.
Liu
,
B.
,
Villavicencio
,
R.
, and
Guedes Soares
,
C.
,
2015
, “
Influence of Striker Shape on the Crack Initiation and Propagation on Laterally Impacted Thin Aluminum Plates
,”
ASME J. Offshore Mech. Arct. Eng.
,
137
(
5
), p.
051402
.
25.
Liu
,
B.
,
Villavicencio
,
R.
, and
Guedes Soares
,
C.
,
2014
, “
On the Failure Criterion of Aluminum and Steel Plates Subjected to Low-Velocity Impact by a Spherical Indenter
,”
Int. J. Mech. Sci.
,
80
, pp.
1
15
.
26.
Liu
,
B.
,
Villavicencio
,
R.
,
Zhang
,
S.
, and
Guedes Soares
,
C.
,
2017
, “
A Simple Criterion to Evaluate the Rupture of Materials in Ship Collision Simulations
,”
Mar. Struct.
,
54
, pp.
92
111
.
27.
Paik
,
J. K.
, and
Shin
,
Y. S.
,
2006
, “
Structural Damage and Strength Criteria for Ship Stiffened Panels Under Impact Pressure Actions Arising From Sloshing, Slamming and Green Water Loading
,”
Ships Offshore Struct.
,
1
(
3
), pp.
249
256
.
28.
Liu
,
K.
,
Liu
,
B.
,
Villavicencio
,
R.
,
Wang
,
Z.
, and
Guedes Soares
,
C.
,
2018
, “
Assessment of Material Strain Rate Effects on Square Steel Plates Under Lateral Dynamic Impact Loads
,”
Ships Offshore Struct.
,
13
(
2
), pp.
217
225
.
29.
Zhu
,
L.
, and
Yu
,
T. X.
,
1997
, “
Saturated Impulse for Pulse-Loaded Elastic-Plastic Square Plates
,”
Int. J. Solids Struct.
,
34
(
14
), pp.
1709
1718
.
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