Polish Maritime Research Volume 22: September

Journal Article

Optimal Control Strategy for Marine Ssp Podded Propulsion Motor Based on Strong Tracking-Epf

Yao, Wenlong; Liu, Yuan; Sun, Honghai; Zhang, Guichen; Zhang, Jundong;

2015 Polish Maritime Research

doi:10.1515/pomr-2015-0024

Abstract Aiming at the non-linearity of state equation and observation equation of SSP (Siemen Schottel Propulsor) propulsion motor, an improved particle filter algorithm based on strong tracking extent Kalman filter (ST-EKF) was presented, and it was imported into the marine SSP propulsion motor...

Open Access

Journal Article

Research on Deep Joints and Lode Extension Based on Digital Borehole Camera Technology

Han, Zengqiang; Wang, Chuanying; Zhu, Hengyin

2015 Polish Maritime Research

doi:10.1515/pomr-2015-0025

Abstract Structure characteristics of rock and orebody in deep borehole are obtained by borehole camera technology. By investigating on the joints and fissures in Shapinggou molybdenum mine, the dominant orientation of joint fissure in surrounding rock and orebody were statistically analyzed....

Open Access

Journal Article

Assessing the Accuracy of SRTM Dem and Aster Gdem Datasets for the Coastal Zone of Shandong Province, Eastern China

Luana, Shaopeng; Hou, Xiyong; Wang, Yetang

2015 Polish Maritime Research

doi:10.1515/pomr-2015-0026

Abstract This study assessed the performance of recently released 3 arc second SRTM DEM version 4.1 by CSI-CGIAR and 1 arc second ASTER GDEM version 1 and version 2 by METI-NASA in comparison with ground control points from 1:50000 digital line graphs for the coastal zone of Shandong Province,...

Open Access

Journal Article

Simulation of Irregular Waves in a Numerical Wave Tank

Zhi-Fu, Li; YuYun, Shi; HuiLonga, Ren; Hui, Li; Ashraf, Muhammad Aqeel

2015 Polish Maritime Research

doi:10.1515/pomr-2015-0027

Abstract The time domain boundary element method was utilized to simulate the propagation of the irregular waves in a numerical wave tank. The problem was solved in a time-marching scheme, upon the irregular waves being fed through the inflow boundary, in which the theoretical solution was...

Open Access

Journal Article

Comparison of 2D and 3D Models of Salinity Numerical Simulation

Chunhui, Li; Xishan, Pan; Jie, Ke; Xiaotian, Dong

2015 Polish Maritime Research

doi:10.1515/pomr-2015-0028

Abstract For the study of the effect of 2D and 3D mathematical model in salinity simulation, with Liuheng island strong brine discharge of seawater desalination project as an example, using 2D and 3D salinity mathematical models of Liuheng island to simulate coastal hydrodynamic environment and...

Open Access

Journal Article

Anti-Seismic Device Design for Container Crane and its Elastic-Plastic Time History Analysis

Dong, Dashan; Li, Jin; Teng, Yuanyuan

2015 Polish Maritime Research

doi:10.1515/pomr-2015-0029

Abstract Quayside container crane is a kind of large dimension steel structure, which is the major equipment used for lifting container at modern ports. With the aim to ensure the safety and reliability of the crane under seismic loads, an anti-seismic device is designed. To validate the...

Open Access

Journal Article

Numerical Analysis of Consolidation Settlement and Creep Deformation of Artificial Island Revetment Structure in a Large-Scale Marine Reclamation Land Project

Jie, Zhao; Tongling, Zhou; Gui-xuan, Wang

2015 Polish Maritime Research

doi:10.1515/pomr-2015-0030

Abstract In order to analyze the influential factors of soft foundation settlement in a marine reclamation land project, the consolidation settlement and pore pressure dissipation of the entire area are numerically simulated using Soft-Soil- Creep Model, in which the PLAXIS finite element...

Open Access

Journal Article

Modeling of Acoustic Field for a Parametric Focusing Source Using the Spheroidal Beam Equation

Yu, Lili; Li, Junhua; Shi, Chaojian

2015 Polish Maritime Research

doi:10.1515/pomr-2015-0031

Abstract A theoretical model of acoustic field for a parametric focusing source on concave spherical surface is proposed. In this model, the source boundary conditions of the Spheroidal Beam Equation (SBE) for difference frequency wave excitation were studied. Propagation curves and beam patterns...

Open Access

Journal Article

Hydraulic Analysis of Leakage from Submarine Pipe Network

Li, JunHua; Fan, YanTing

2015 Polish Maritime Research

doi:10.1515/pomr-2015-0032

Abstract The leakage from submarine pipe network is investigated by a numerical model in this paper. A whole event including of the steady flow before the leakage, the transient flow during the leakage and the steady flow after the leakage is considered in the model. The numerical results of the...

Open Access

Journal Article

Pseudo-Static Experiment and Analysis on Seismic Behavior of the RC Columns Strengthened by GHPFRCC

Li, Xiuling; Wang, Juan; Luo, Min

2015 Polish Maritime Research

doi:10.1515/pomr-2015-0033

Abstract Green high performance fiber reinforced cementitious composites (GHPFRCC) are a new class of sustainable cementitious composites, employing a high volume of fly ash to replace cement. In addition to increasing the sustainability of the construction environment, GHPFRCC exhibits a high...

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Polish Maritime Research Volume 22: September

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