I think that is instructive the difference in the discussion about Tamer versus Bathsheba.
In NIV, 2 Sam reads:
Quote:
Then he said to Tamar, "Now bring the food into my bedroom and feed it to me here." So Tamar took his favorite dish to him. 11 But as she was feeding him, he grabbed her and demanded, "Come to bed with me, my darling sister."
12 "No, my brother!" she cried. "Don't be foolish! Don't do this to me! Such wicked things aren't done in Israel. 13 Where could I go in my shame? And you would be called one of the greatest fools in Israel. Please, just speak to the king about it, and he will let you marry me."
14 But Amnon wouldn't listen to her, and since he was stronger than she was, he raped her.
Some points:
1) This still doesn't mean that David didn't rape Bathsheba. There is an implicit danger in turning down the requests of a King. If the threat of death hung in the air in the conversation between the two, I don't know how you can qualify that as anything but rape. But, those words are not in the text. It's just impossible to know how much Bathsheba feared for her life.
2) I think it very unlikely that David forced himself on Bathsheba in the way that Amnon did to Tamar. If that were the case, why describe Tamar's rape so explicitly, but not David's.
3) The fact that Tamar would consent to marrying her half brother rather than be raped also says some interesting things about the power dynamic at that time between men and women. She was more concerned about her reputation / purity than she was about who she would eventually marry.
4) Bathsheba did not mourn in the same way as Tamar, ripping her clothes and pouring ash on her face. The different responses of the two women to this event is also interesting.
5) David became very angry at Amnon for the rape of Tamar. There is no mention that David had remorse for Bathsheba in that discussion.
When you put it all together, I think that physical rape is unlikely, but that doesn't mean the threat of death wasn't there.