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| 1 | Effects of Boundary Conditions on the Design of Anti-Ram Bollards显示文摘Anti-ram bollards used in perimeter protection are tested to meet performance requirements of established standards such as the US Department of State Specification SD-STD-02.01. Under these standards, tests are conducted in prescribed conditions that should be representative of the service installation. In actual project, conditions encountered on site may vary from the test environment and it would be expensive and time consuming to validate each deviation with a physical test. High-fidelity physics-based (HFPB) finite element modeling can provide precise simulations of the behavior of anti-ram bollards. This paper presents the use of HFPB finite element modeling, using LS-DYNA, in an actual project to evaluate the performance of an anti-ram bollard design subjected to various boundary conditions representing the physical conditions encountered on site. The study shows that boundary conditions can have a significant influence on the performance of the anti-ram bollards. This suggests that anti-ram bollards must be designed and engineered according to actual conditions that are found on site. It also shows that HFPB modeling can be an effective tool that supplements physical testing of anti-ram bollards. | LIU Chunlin LI Guoqiang PHANG Siew Kheong SUN Jianyun | 2008 | Transactions of Tianjin University2008，14，5： | 3 |
| 2 | Extreme learning machine: theory and applications 显示文摘 | Huang Guang -bin Zhu Qin -yu Siew Chee -kheong | 2006 | Neurocomput- ing2006，70，： | 1 |
| 3 | Call Admission Control for Multiservice Wireless Networks With Bandwidth Asymmetry Between Uplink and Downlink 显示文摘 | Xun Yang Gang Feng David Siew Chee Kheong | 2006 | IEEE Transactions on Vehicular Technology (S0018-9545)2006，55，1： | 1 |
| 4 | The effect of bis-(3-triethoxysilylpropyl)-tetrasulfide,Si69 on properties of recycled poly(vinyl chloride)/acrylonitrile-butadiene rubber/fly ash(PVCr/ NBR/FA) Composites显示文摘 | Ismail H Kheong O W | 2008 | Journal of Reinforced Plastics Composites2008，27，15： | 1 |
| 5 | Analysis of the frequencydomain block LMS algnrithm显示文摘 | Farhang-Boroujerry B Kheong Sann Chan | 2000 | IEEE Trans on Signal Processing2000，48，： | 1 |
| 6 | Call admission control for multi - service mobile networks with bandwidth asymmetry between uplink and downlink显示文摘 | Xun Yang Gang Feng Chee Kheong Siew | 2006 | IEEE Transactions on Vehicular Technology2006，55，1： | 1 |
| 7 | A new block cipher based on chaotic tent maps显示文摘 | Xun Yi Chik How Tan Chee Kheong Siew | 2002 | IEEE Trans Circuits and Systems Ⅰ2002，49，1： | 1 |
| 8 | A New Block Cipher Based on Chaotic Tent Maps, Circuits and Systems I: Fundamental Theory and Applications显示文摘 | XUN YI CHIK HOW TAN CHEE KHEONG SIEW | 2002 | IEEE Transactions on2002，49，12： | 1 |
| 9 | A new block cipher based on chaotic tent maps显示文摘 | Xun Y How T C Kheong S C | 2002 | IEEE Trans Circuits Syst 1 2782002，49，12： | 1 |
| 10 | Extreme learning machine: Theory and applications显示文摘 | Huang Guang-Bin Zhu Qin-Yu Siew Chee Kheong | 2006 | Neuro-computing2006，70，123： | 1 |
| 11 | Call admission control for multiserviee wireless networks with band- width asymmetry between uplink and downlink显示文摘 | Yang X Feng G Kheong D S C | 2006 | IEEE Transactions on Vehicular Technology2006，55，1： | 1 |
| 12 | Extreme learning machine: Theory and applications显示文摘 | Huang Guang-Bin Zhu Qin-Yu Siew Chee- Kheong | 2006 | Neurocomputing2006，70，13： | 1 |
| 13 | Extreme learn- ing machine :Theory and applications显示文摘 | Guang Bin Huang Qin yu Zhu Chee Kheong Siew | 2006 | Neurocomputing2006，，70： | 1 |
| 14 | David Rodger and Andrew Marshall, Modeling an electromagnetic telemetry system for signal transmission in oil fields显示文摘 | Poh Kheong Vong | 2005 | IEEE Transactions on Magnetics2005，41，5： | 1 |
| 15 | A Secure and Efficient Conference Scheme for Mobile Communications显示文摘 | Yi Xun Siew Chee Kheong Tan Chik How | 2006 | IEEE transactions on vehicular technology2006，52，54： | 1 |
| 16 | Extreme learning machine:Theory and applications显示文摘 | Huang Guangbin Zhu Qinyu Chee Kheong Siew | | 0，，70： | 1 |
| 17 | Seismological Research in Singapore显示文摘The Singapore seismic network and the seismicity of Singapore are briefly described, the four tremor events experienced by Singapore are discussed and the ground responses of different stations are compared. The tremor incident standing operation procedure is also presented. | Mah King Kheong Lim Lay Eng | 2002 | Earthquake Research in China2002，16，3： | 1 |
| 18 | The effect of bis- (3-triethoxysilylpropyl) -tetrasulfide, Si- 69 on properties of recycled poly (vinyl chloride) / acrylonitrile-butadiene robber/fly ash (PVC/NBRIFA) composites 显示文摘 | ISMAIL H KHEONG O W | 2005 | J of Reinf Plast & Compo2005，27，15： | 1 |
| 19 | A Secure Agent-based Framework for Internet Trading in Mobile Computing Environments显示文摘 | Xun Yi Chee Kheong Siew Xiao Feng Wang Eiji Okamoto | 2000 | Distributed and Parallel Databases2000，，1： | 1 |
| 20 | The Effect of bis-(3-triethoxysilyl-propyl)-tetrasulfide,Si-69 on properties of recycled poly(vi-nyl chloride)/acrylonitrile-butadiene rubber/fly ash(PVC/NBR/FA)composites显示文摘 | Ismail H Kheong O W | 2008 | Journal of Reinforced Plastics&Composites2008，27，15： | 1 |
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