콘텐츠영역

Research Interest 게시판

  • Core Research
    • - Establishment of operational guidance based on operational efficiency and risk assessment
    Major Development / Accomplishment
    • - Development of efficient and accurate prediction method for the environmental loads in a seaway
    • - Establishment of a database for the nonlinear ship dynamic response
    • - Development of the decision-support system for efficient and safe ship operation
    Numerical Methods / Approaches
    • - Empirical-asymptotic approach for wave added resistance
    • - Enhanced asymptotic formula (SNU formula)
    • - Weakly-nonlinear time-domain formulation
    • System outline
    • Computations of dynamic stability in waves
    • Operational guidance
  • Core Research
    • - Scenario-based real-time seakeeping and maneuvering coupled analysis in waves
    Major Development / Accomplishment
    • - Development of real-time seakeeping-maneuvering coupled simulation program
    • - Development of autopilot system of ship rudder and propeller based on the trajectory tracking method
    • - Development of scenario-based prediction system for ship operation
    Numerical Methods / Approaches
    • - Impulse response function method
    • - 4-DoF modular type maneuvering equation
    • - Two-time scale model
    • - PID-based trajectory tracking method
    • System outline
    • Autopilot module
    • Seakeeping-maneuvering coupled analysis
  • Core Research
    • - Real-time wave field reconstruction and prediction based on marine radar measurement data
    Major Development / Accomplishment
    • - Development of X-band wave radar measurement-based wave field reconstruction
    • - Development of enhanced significant wave height estimation method
    • - Development of ocean wave-field predictable zone analysis
    Numerical Methods / Approaches
    • - 3D FFT-based spectral analysis
    • - Radar image intensity modification
    • - Mean surface slope estimation
    • - Spatiotemporal data-based wave prediction
    • System outline
    • Wave field reconstruction
    • Wave prediction
  • Core Research
    • - Real-time digital twin simulation for ship operation
    Major Development / Accomplishment
    • - Development of wave reconstruction & prediction method for ocean wave field
    • - Development of real-time prediction system for ship hydrodynamic performance
    • - Development of decision-support operational guidance system based on the resistance prediction and risk assessment
    Numerical Methods / Approaches
    • - 3D FFT-based wave reconstruction
    • - Short-term deterministic wave field prediction
    • - Impulse response function method
    • - Two-time scale model
    • - PID-based trajectory tracking method
    • - SNU formula
    • System outline
    • Scenario-based prediction examples
    • User-interface of digital twin system