linear_acceleration_z() const -> const std::deque< T > &time() const -> const std::deque< T > &linear_acceleration_z() -> std::deque< T > &time() -> std::deque< T > &solve(const vec3 & linear_acc, const vec3 & linear_vel, const vec3 & angular_acc, T time) -> Linear_wave< T, 3 >External_excitation_solver(T t)explicitExternal_excitation_solver()