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In this study, we investigated a novel monolithic tandem penetrating-blast warhead, which can destroy targets with adjustable parameters including attack velocity, angles, as well as yaw angles. Different flying postures determine different performance of the precursory EFP in penetration process and its following projectile in secondary process. In order to characterize the influence of flying posture, we established a finite elements analysis model. This model has been verified by a static experiment. Our results indicated that the attack velocity of the warhead has tiny influence of the penetration process. However, larger attack angle of the warhead will lead to bad performance of the warhead. Meanwhile, yaw angle range should be controlled in small values due to its randomness. The comprehensive properties of the tandem warhead meet the design requirement, and it is able to damage the target effectively.