Skip to main content

Goda Formula Wave Pressure on Vertical Seawall Calculator

Yoshimi Goda established the globally adopted standard for wave pressure on vertical caisson breakwaters.

Highest wave height fronting the wall

Wavelength at breakwater toe

Water depth at toe of structure

Calculated Result
40.1 kPa

Peak Wall Pressure (p1)

Goda Parameter α1

0.998

Calculation Breakdown

  1. Goda Formulap1 = 0.5(1+cosθ)(α1)ρgH => 40.1 kPa

Hydrodynamic Wave Pressure

Interactive visualization based on your current inputs

p1
0.015294459H = 2.5mH = 4.0mH = 5.5mWave HeightPressure (kPa)

What Is the Goda Formula Wave Pressure on Vertical Seawall Calculator?

Yoshimi Goda established the globally adopted standard for wave pressure on vertical caisson breakwaters.

It integrates quasi-static hydrostatic pressure and dynamic hydrodynamic crest impact.

How Does the Goda Formula Wave Pressure on Vertical Seawall Calculator Work?

The calculation evaluates user-provided measurements using recognized domain equations, converts between measurement units, and adjusts for real-world efficiency factors.

Goda Formula Wave Pressure on Vertical Seawall Calculator Formula & Variables

The core mathematical equation utilized by this calculator is expressed as:

p_1 = \frac{1}{2} (1 + \cos\theta) \alpha_1 \rho g H

Goda peak pressure at still water level.

How to Use the Goda Formula Wave Pressure on Vertical Seawall Calculator

  1. Enter your primary measurements in the input fields above.
  2. Select your preferred units (e.g. metric or imperial) if applicable.
  3. Review or adjust operational assumptions such as field efficiency.
  4. Click Calculate to instantly generate the full results breakdown and visual chart.
  5. Use the Reset button at any time to clear the form and test a new scenario.

Step-by-Step Example Calculation

Harbor Entrance Caisson

Input Values:

waveHeightHM:3.5
waveLengthLM:60.0
waterDepthHM:8.0

Understanding Your Result

Your calculated result represents the realistic operational capacity or baseline output under the specified conditions. Comparing theoretical and effective outputs reveals the direct impact of turns, overlap, and practical downtime.

Factors That Affect the Result

Field terrain, operator experience, equipment maintenance, overlap margin, and weather conditions can significantly influence real-world output.

When Should You Use This Calculator?

Use this calculator whenever you need quick, verified estimates for job planning, budgeting, equipment sizing, or project timelines.

Assumptions & Limitations

  • Forms the foundation of PIANC and Japanese port design standards.

Frequently Asked Questions

Calculation Accuracy & Reference Note

This calculator implements verified, deterministic mathematical equations based on published standards. Results should be treated as professional engineering estimates; always verify critical operations with local equipment manuals and site inspections.

Explore more tools and calculators in Math Calculators