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Coastal Dike & Seawall Wave Runup (Ru2%) & Overtopping Discharge (EurOtop) Calculator

Easily calculate and compute coastal dike & seawall wave runup (ru2%) & overtopping discharge (eurotop) calculator with accurate equations, live formulas, and expert guidance.

Height of seawall crest above still water level.

Calculated Result
8.66 meters

Wave Runup (Ru₂%)

Wave Runup (Ru₂%)

8.66 meters

Wave Runup Height Ru2 Pct Meters

8.66

Mean Overtopping Discharge Liters Per Sec Per M

338.4

Iribarren Surf Similarity Parameter

2.39

Coastal Flooding Hazard Level

SEVERE OVERTOPPING (q > 10 L/(s·m)): Structural erosion of inner crest; hazardous to personnel and vehicles

8.66 — meters

Calculation Breakdown

  1. Applied FormulaCalculates the 2% wave runup height Ru₂% and mean overtopping discharge rate q (L/(s·m)) for coastal sea dikes using EurOtop (2018) guidelines.\frac{R_{u2\%}}{H_{m0}} = \min(1.65 \xi_{m0}, \, 4.0), \quad \frac{q}{\sqrt{g H_{m0}^3}} = 0.09 \exp\left[ -\left( 1.5 \frac{R_c}{H_{m0} \xi_{m0}} \right)^{1.3} \right]

Wave Runup & Overtopping Metric Output

Interactive visualization based on your current inputs

Calculated Value
0.02.24.36.58.7Wave Runup (Ru₂%)

What Is the Coastal Dike & Seawall Wave Runup (Ru2%) & Overtopping Discharge (EurOtop) Calculator?

This tool computes coastal dike & seawall wave runup (ru2%) & overtopping discharge (eurotop) calculator with high precision arithmetic.

How Does the Coastal Dike & Seawall Wave Runup (Ru2%) & Overtopping Discharge (EurOtop) Calculator Work?

Calculates the 2% wave runup height Ru₂% and mean overtopping discharge rate q (L/(s·m)) for coastal sea dikes using EurOtop (2018) guidelines.

Coastal Dike & Seawall Wave Runup (Ru2%) & Overtopping Discharge (EurOtop) Calculator Formula & Variables

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

Ru2%Hm0=min⁡(1.65ξm0, 4.0),qgHm03=0.09exp⁡[−(1.5RcHm0ξm0)1.3]\frac{R_{u2\%}}{H_{m0}} = \min(1.65 \xi_{m0}, \, 4.0), \quad \frac{q}{\sqrt{g H_{m0}^3}} = 0.09 \exp\left[ -\left( 1.5 \frac{R_c}{H_{m0} \xi_{m0}} \right)^{1.3} \right]

Calculates the 2% wave runup height Ru₂% and mean overtopping discharge rate q (L/(s·m)) for coastal sea dikes using EurOtop (2018) guidelines.

How to Use the Coastal Dike & Seawall Wave Runup (Ru2%) & Overtopping Discharge (EurOtop) Calculator

  1. Enter your parameters into the designated input fields to calculate the result immediately.

Step-by-Step Example Calculation

Coastal Dike & Seawall Wave Runup (Ru2%) & Overtopping Discharge (EurOtop) Calculator Example

Input Values:

significantWaveHeightMeters:2.2
peakWavePeriodSeconds:8.5
dikeSeawardSlopeAngleCotTheta:3
dikeCrestFreeboardRcMeters:3.5
Worked Steps: Sample evaluation based on standard reference conditions.

Understanding Your Result

The calculated primary figure indicates the optimal or required meters.

Factors That Affect the Result

  • Measurement tolerances, operational variance, and real-world conditions.

When Should You Use This Calculator?

  • Everyday budgeting, technical homework, professional estimation, and household projects.

Assumptions & Limitations

  • Assumes standard atmospheric or environmental parameters unless specified.

Frequently Asked Questions

Calculation Accuracy & Reference Note

Double-precision IEEE 754 arithmetic with validated empirical constants.

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