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This antiship missile is said to have 1DP, supposedly because it relies on kinetic damage (?). How is damage modeled in this case. How can I know if I need to fire 2 or 4 (for example) weapons against a ship of a certain size?

The mechanics of applying damage against most typical targets are complex enough (penetration, internal/external detonation, component damage, secondary effects, exposed vs armored areas, underkeel detonation etc. etc.) that a simple "that ship has 100 DPs so I'll throw 10x 10-DP weapons at it" calculator logic won't serve you well anyway.

Just experiment and build up empirical knowledge (a.k.a. "gut feeling").

I have run a few test with the HAWK AShM vs 4 different ships located at different distances.

The DPs they cause is always the same, around 2174, only changing the decimal.

The consecuences of it are of course very different, a Visby corvette just sunk (140 DPs) while a Nimitz (7510 DPs) suffered a damage of 29%.

Beside the kinetic energy, the fuel expended is counted?

I mean more distance, less fuel when it impacts, less damage caused.

Nikel wrote: Fri Nov 28, 2025 9:15 am I have run a few test with the HAWK AShM vs 4 different ships located at different distances.

The DPs they cause is always the same, around 2174, only changing the decimal.

The consecuences of it are of course very different, a Visby corvette just sunk (140 DPs) while a Nimitz (7510 DPs) suffered a damage of 29%.

Beside the kinetic energy, the fuel expended is counted?

I mean more distance, less fuel when it impacts, less damage caused.

Interesting. Btw, how do you see the dp inflicted in general?

DPs are printed in the log files, among many other details.

Examples in the test:

Nikel wrote: Fri Nov 28, 2025 9:15 am I have run a few test with the HAWK AShM vs 4 different ships located at different distances.

The DPs they cause is always the same, around 2174, only changing the decimal.

That makes sense, because it's a weapon powered throughout its flight (strictly speaking this is not true for hypersonic cruise missiles when fired at the extreme edge of their range, but we let it slide), so its speed at the terminal stage is the same in all case, and hence the kinetic energy imparted is the same.

The consecuences of it are of course very different, a Visby corvette just sunk (140 DPs) while a Nimitz (7510 DPs) suffered a damage of 29%.

You should also observe differences in damage to components as well as secondary effects (fire, flooding).

Beside the kinetic energy, the fuel expended is counted?

I mean more distance, less fuel when it impacts, less damage caused.

Don't remember offhand, would need to check the source or the sim manual to confirm.